Invention Grant
- Patent Title: Hopper structure
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Application No.: US43597165Application Date: 1965-03-01
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Publication No.: US3343886APublication Date: 1967-09-26
- Inventor: KEMP WILLARD E , BECKER CARL E
- Applicant: ACF IND INC
- Assignee: Acf Ind Inc
- Current Assignee: Acf Ind Inc
- Priority: US43597165 1965-03-01
- Main IPC: B61D7/20
- IPC: B61D7/20
Information query
