Title:
Hydraulic actuating mechanism for garage doors
Document Type and Number:
United States Patent 3319303
Inventors:
Salvo, Raymond C.
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Publication Date:
05/16/1967
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Referenced by:
Export Citation:
Assignee:
Salvo, Raymond C.
Primary Class:
Other Classes:
91/367, 60/903
International Classes:
E05F15/08; E05F15/00
US Patent References:
| 2321079 | Hydraulic door operator |