Invention Grant
- Patent Title: Manufacture of rubber
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Application No.: US65446523Application Date: 1923-07-28
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Publication No.: US1781492APublication Date: 1930-11-11
- Inventor: BOUGHTON WILLIS A
- Applicant: BOUGHTON WILLIS A
- Assignee: Willis A Boughton
- Current Assignee: Willis A Boughton
- Priority: US65446523 1923-07-28
- Main IPC: C08C19/20
- IPC: C08C19/20 ; C08J3/26
Information query
