Title:
COMPOSITE GYMNASIUM MATS
Document Type and Number:
United States Patent 3526911
Inventors:
Publication Date:
09/08/1970
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Referenced by:
Export Citation:
Assignee:
AIR TECH IND INC
Primary Class:
Other Classes:
482/23, 428/33, 5/723
International Classes:
A63C19/04; A63C19/00; A47C27/00
US Patent References:
| 2706821 | Mattress |