Invention Grant
- Patent Title: Pneumatic tire
-
Application No.: US55545731Application Date: 1931-08-06
-
Publication No.: US1921772APublication Date: 1933-08-08
- Inventor: HENRY PAULL WALLACE
- Applicant: DUNLOP RUBBER CO
- Assignee: Dunlop Rubber Co Ltd
- Current Assignee: Dunlop Rubber Co Ltd
- Priority: GB2500030 1930-08-21
- Main IPC: B03C3/76
- IPC: B03C3/76 ; B60C3/00 ; B60C15/02 ; B60C19/12
Information query
IPC分类:
