Invention Grant
- Patent Title: Grain cleaner
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Application No.: US16471327Application Date: 1927-01-31
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Publication No.: US1818367APublication Date: 1931-08-11
- Inventor: WALLACE HALBERT C
- Applicant: WALLACE HALBERT C
- Assignee: Halbert C Wallace
- Current Assignee: Halbert C Wallace
- Priority: US16471327 1927-01-31
- Main IPC: B07B7/04
- IPC: B07B7/04
Public/Granted literature
- US11114513B2 Display substrate, manufacturing method thereof, display panel Public/Granted day:2021-09-07
Information query
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