Title:
BLOCK WITH RESILIENT FOAM CORE AND PLASTIC COVER
United States Patent 3518786
US Patent References:
METHOD AND APPARATUS FOR HEAT SEALING SEAT CUSHION COVERS
- - 3451075
Playblock
- - 1465637
Hollow object and method of making thermoplastic seam
- - 2713746
Head model with hairs
- - 2968104
Spherical ball including an internal resilient hand grip
- - 3185476
METHOD AND APPARATUS FOR HEAT SEALING SEAT CUSHION COVERS
- - 3451075
Playblock
- - 1465637
Hollow object and method of making thermoplastic seam
- - 2713746
Head model with hairs
- - 2968104
Spherical ball including an internal resilient hand grip
- - 3185476
Inventors:
Holtvoigt, John H.
Publication Date:
07/07/1970
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Export Citation:
Assignee:
DOLLY TOY CO
Primary Class:
Other Classes:
273/DIG.020, 473/600
International Classes:
A63H33/04; A63H33/06
US Patent References:
Foreign References:
| GB920161A |