Invention Grant
- Patent Title: Photometer
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Application No.: US3799235Application Date: 1935-08-26
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Publication No.: US2051208APublication Date: 1936-08-18
- Inventor: GREENWOOD JOSEPH A
- Applicant: GREENWOOD JOSEPH A
- Assignee: Joseph A Greenwood
- Current Assignee: Joseph A Greenwood
- Priority: US3799235 1935-08-26
- Main IPC: G01J1/08
- IPC: G01J1/08
Information query
