Invention Grant
- Patent Title: Elevator signal and control system
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Application No.: US5337835Application Date: 1935-12-07
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Publication No.: US2193609APublication Date: 1940-03-12
- Inventor: WILLIAMS HAROLD W , BOUTON EDGAR M
- Applicant: WESTINGHOUSE ELEC ELEVATOR CO
- Assignee: Westinghouse Elec Elevator Co
- Current Assignee: Westinghouse Elec Elevator Co
- Priority: US5337835 1935-12-07
- Main IPC: B66B1/20
- IPC: B66B1/20 ; B66B1/24
Information query
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