Invention Grant
- Patent Title: Traction wheel
-
Application No.: US19044738Application Date: 1938-02-14
-
Publication No.: US2146175APublication Date: 1939-02-07
- Inventor: DILLINGHAM CARL D
- Applicant: DILLINGHAM CARL D
- Assignee: Carl D Dillingham
- Current Assignee: Carl D Dillingham
- Priority: US19044738 1938-02-14
- Main IPC: B60B15/18
- IPC: B60B15/18
Information query