Invention Grant
- Patent Title: Portable elevator
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Application No.: US33636919Application Date: 1919-11-07
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Publication No.: US1356281APublication Date: 1920-10-19
- Inventor: HESCOCK ETHAN N , SMITH ERNEST F
- Applicant: NEW JERSEY FOUNDRY & MACHINE C
- Assignee: New Jersey Foundry & Machine C
- Current Assignee: New Jersey Foundry & Machine C
- Priority: US33636919 1919-11-07
- Main IPC: B66F9/02
- IPC: B66F9/02
Information query
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