Invention Grant
- Patent Title: Plow-shovel.
- Patent Title (中): PLOW-SHOVEL。
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Application No.: US1909522996Application Date: 1909-10-16
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Publication No.: US966411APublication Date: 1910-08-09
- Inventor: ALLEN CHARLES E
- Applicant: THOMAS R DUNCAN , ALLEN CHARLES E
- Assignee: Thomas R Duncan,Charles E Allen
- Current Assignee: Thomas R Duncan,Charles E Allen
- Priority: US1909522996 1909-10-16
Information query
