Invention Grant
- Patent Title: Bridge
- Patent Title (中): 桥
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Application No.: US8160061Application Date: 1961-01-09
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Publication No.: US3204269APublication Date: 1965-09-07
- Inventor: URQUHART THORNTON L
- Applicant: BYRNE DOORS INC
- Assignee: Byrne Doors Inc
- Current Assignee: Byrne Doors Inc
- Priority: US8160061 1961-01-09
- Main IPC: E01D15/133
- IPC: E01D15/133
Information query
