Invention Grant
- Patent Title: Apparatus for surfacing plate glass
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Application No.: US19867638Application Date: 1938-03-29
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Publication No.: US2209505APublication Date: 1940-07-30
- Inventor: BOLE RALPH D , FUSCA EMIL A
- Applicant: PITTSBURGH PLATE GLASS CO
- Assignee: PPG Industries Inc
- Current Assignee: PPG Industries Inc
- Priority: US19867638 1938-03-29
- Main IPC: B24B7/24
- IPC: B24B7/24
Information query
