Invention Grant
- Patent Title: Door operator
- Patent Title (中): 门操作员
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Application No.: US30847763Application Date: 1963-09-12
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Publication No.: US3206186APublication Date: 1965-09-14
- Inventor: THOMAS HERMAN J
- Applicant: GEN MOTORS CORP
- Assignee: Motors Liquidation Co
- Current Assignee: Motors Liquidation Co
- Priority: US30847763 1963-09-12
- Main IPC: E05B65/12
- IPC: E05B65/12
Information query
