Invention Grant
- Patent Title: Water-closet seat.
- Patent Title (中): 水封座
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Application No.: US1912723709Application Date: 1912-10-03
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Publication No.: US1079007APublication Date: 1913-11-18
- Inventor: HOELSCHER HERMAN M
- Applicant: WOLFF MFG COMPANY L
- Assignee: Wolff Mfg Company L
- Current Assignee: Wolff Mfg Company L
- Priority: US1912723709 1912-10-03
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