Invention Grant
- Patent Title: Metal wheel
-
Application No.: US38178120Application Date: 1920-05-15
-
Publication No.: US1378039APublication Date: 1921-05-17
- Inventor: MAURICE LACHMAN
- Applicant: BETHLEHEM STEEL CORP
- Assignee: Bethlehem Steel Corp
- Current Assignee: Bethlehem Steel Corp
- Priority: US38178120 1920-05-15
- Main IPC: B60B1/10
- IPC: B60B1/10
Information query