Invention Grant
- Patent Title: Mold for use in the manufacture of optical elements
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Application No.: US45703242Application Date: 1942-09-02
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Publication No.: US2406742APublication Date: 1946-09-03
- Inventor: COOPER JR DEXTER P
- Applicant: POLAROID CORP
- Assignee: Polaroid Corp
- Current Assignee: Polaroid Corp
- Priority: US45703242 1942-09-02
- Main IPC: B29C33/30
- IPC: B29C33/30 ; B29C33/52 ; B29D11/00
Information query
