Invention Grant
- Patent Title: Portable crane
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Application No.: US48887421Application Date: 1921-08-01
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Publication No.: US1428887APublication Date: 1922-09-12
- Inventor: HESCOCK ETHAN N
- Applicant: NEW JERSEY FOUNDRY & MACHINE C
- Assignee: New Jersey Foundry & Machine C
- Current Assignee: New Jersey Foundry & Machine C
- Priority: US48887421 1921-08-01
- Main IPC: B66C23/26
- IPC: B66C23/26 ; B66C23/30
Information query
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