Invention Grant
- Patent Title: Door operating mechanism
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Application No.: US53417631Application Date: 1931-05-01
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Publication No.: US1874562APublication Date: 1932-08-30
- Inventor: MARIOTTI JOSEPH J
- Applicant: DAPRATO STATUARY COMPANY
- Assignee: Daprato Statuary Company
- Current Assignee: Daprato Statuary Company
- Priority: US53417631 1931-05-01
- Main IPC: E05G1/00
- IPC: E05G1/00
Information query
