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7536951 |
Print screen frame tensioning system
The print screen frame tensioning system, generally rectangular in shape and fabricated from extruded rectangular tubular rails, when assembled, each side rail of the frame has a longitudinal one...
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6732640 |
Screen printing frame having prestressing reinforcement
A frame for supporting the screen of a screen printing machine having elongated frame members coupled together each providing support for an edge of the screen. The frame further includes a...
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6520240 |
Bracing system for canvas stretcher frames
A bracing system for canvas stretcher frames allows for positioning of one or more braces in a stretcher bar frame, to prevent inward pulling of the stretcher bars under canvas tension. The braces...
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6302785 |
Foundation vent with improved net free ventilation area
An improved foundation vent with increased net free area is provided. The foundation vent has a frame that surrounds and defines an opening and a grill supported by the frame and spanning the...
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6230455 |
High impact flanged window screen
A high strength window screen frame that includes an extruded metal frame that surrounds a window opening in a building. The frame defines an opening. A screen plate portion of the extruded metal...
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6127019 |
Braced art surface
A rigid braced art surface that will support sculptural objects, metal fasteners, foams, paints, plasters, and the like. The braced art surface consists of a rigid working surface supported by back...
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5620040 |
Foldable cargo cover
A foldable cargo cover comprising a pliable sheet having a plurality of elongate stiffener members attached thereto at selected locations thereon. The stiffener members are of sufficient rigidity...
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5526866 |
Tonneau cover fastening system
A tonneau cover for covering an opening in a structure, the opening having a periphery, the structure having a front shelf, side rails, and an end gate, and the cover including a fastening system...
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5379564 |
Self-reinforcing mesh partition
A partition for forming fencing, or cages for warehouses, repair shops and the like, typically comprises a plurality of spaced, vertical posts and at least one mesh wall vertically positioned...
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5275458 |
Tonneau cover assembly
A tonneau cover assembly is provided having a rail network, a plurality of clamps, one or more crossbars and a flexible top. The rail network is secured about the bed of a pick-up truck, using...
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5097761 |
Screen printing frame structure
A frame structure for supporting a stretched printing screen of the kind used in the so-called silkscreen printing process. The frame structure is intended for use in screen printing relatively...
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4724181 |
Membrane stabilizer
A device is provided for stabilizing a flexible membrane secured within a frame, wherein a plurality of elongated arms are disposed radially from a central hub which penetrates the membrane, said...
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4330022 |
Transparent overlay device for protecting mesh screening
The device consists of a pair of semicircular, transparent sheets of resilient plastic material, one of the sheets having molded on one surface a series of pegs which are insertable through the...
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4255886 |
Artist canvas stretcher frame brace bracket
An artist canvas frame comprises the usual rectangular frame members attached at four corners and having a canvas stretched around the periphery and held in place by staples or some other suitable...
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4002195 |
Middle rail assembly for use in screen doors and sashes
A middle rail assembly for centrally clamping a screen within a frame structure is disclosed. The middle rail includes a supporting member, a C-shaped cover and a plurality of coupling means...
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3253001 |
Anthraquinone dye developers
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2900870 |
Projection screen
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2840161 |
Knockdown screen kit
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0936290 |
Title is not available
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0990511 |
Title is not available
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