Invention Grant
- Patent Title: Method of making rubber sponges
- Patent Title (中): 制作橡胶海绵的方法
-
Application No.: US9934726Application Date: 1926-04-02
-
Publication No.: US1599054APublication Date: 1926-09-07
- Inventor: JOHN LEHR
- Applicant: MILLER RUBBER CO
- Assignee: Miller Rubber Co
- Current Assignee: Miller Rubber Co
- Priority: US9934726 1926-04-02
Information query
