Invention Grant
- Patent Title: Doorcheck
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Application No.: US25882128Application Date: 1928-03-03
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Publication No.: US1736175APublication Date: 1929-11-19
- Inventor: CERF ROSENTHAL , MCL ARMISTEAD HUBERT
- Applicant: CONDOR COMPANY
- Assignee: Condor Company
- Current Assignee: Condor Company
- Priority: US25882128 1928-03-03
- Main IPC: E05F5/02
- IPC: E05F5/02 ; E05F5/08
Information query
