Invention Grant
- Patent Title: Tube-flanging implement.
- Patent Title (中): 管法兰实施。
-
Application No.: US21503818Application Date: 1918-02-02
-
Publication No.: US1297457APublication Date: 1919-03-18
- Inventor: FURBER FREDERICK M
- Applicant: FURBER FREDERICK M
- Assignee: Frederick M Furber
- Current Assignee: Frederick M Furber
- Priority: US21503818 1918-02-02
- Main IPC: B21D41/02
- IPC: B21D41/02
Information query
