Invention Grant
- Patent Title: Supplemental structural support
- Patent Title (中): 补充结构支持
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Application No.: US45729021Application Date: 1921-03-31
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Publication No.: US1552432APublication Date: 1925-09-08
- Inventor: HESCOCK ETHAN N , ERNEST SMITH , WELSCH JAMES M
- Applicant: NEW JERSEY FOUNDRY & MACHINE C
- Assignee: New Jersey Foundry & Machine C
- Current Assignee: New Jersey Foundry & Machine C
- Priority: US45729021 1921-03-31
- Main IPC: E04B1/18
- IPC: E04B1/18
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