SWIVEL LEVER FOR RAISING THE CARRIAGE IN AN EPISCOPE
United States Patent 3489030
US Patent References:
/0805493.html
- - 0805493
Emergency brake handle for automobiles
- - 2183772
Adjustable platform for opaque copy and picture projectors
- - 2463026
Image projector for opaque and transparent materials with forced air ventilation systems
- - 2520011
Adjustable platform for opaque copy and picture projector
- - 2817268
/0805493.html
- - 0805493
Emergency brake handle for automobiles
- - 2183772
Adjustable platform for opaque copy and picture projectors
- - 2463026
Image projector for opaque and transparent materials with forced air ventilation systems
- - 2520011
Adjustable platform for opaque copy and picture projector
- - 2817268
Inventors:
Mees, Robert
Publication Date:
01/13/1970
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Export Citation:
Assignee:
LEITZ ERNST GMBH
Primary Class:
Other Classes:
188/67
International Classes:
G03B21/06; G05G5/06