Invention Grant
- Patent Title: Double-acting glass cutter
- Patent Title (中): 双作用玻璃切割机
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Application No.: US52003144Application Date: 1944-01-28
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Publication No.: US2377098APublication Date: 1945-05-29
- Inventor: WILLIAM OWEN
- Applicant: PITTSBURGH PLATE GLASS CO
- Assignee: PPG Industries Inc
- Current Assignee: PPG Industries Inc
- Priority: US52003144 1944-01-28
- Main IPC: C03B33/027
- IPC: C03B33/027 ; C03B33/10
Information query
