Invention Grant
- Patent Title: Automatic door
- Patent Title (中): 自动门
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Application No.: US24183527Application Date: 1927-12-22
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Publication No.: US1878796APublication Date: 1932-09-20
- Inventor: MORSE FRANK L , MORSE ROBERT V
- Applicant: MORSE FRANK L , MORSE ROBERT V
- Assignee: Frank L Morse,Robert V Morse
- Current Assignee: Frank L Morse,Robert V Morse
- Priority: US24183527 1927-12-22
- Main IPC: E05D15/26
- IPC: E05D15/26 ; E05F15/12 ; E05F15/14
Information query
