Invention Grant
- Patent Title: Sprinkler system attachment for a lawn umbrella
- Patent Title (中): 洒水系统附件为草坪伞
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Application No.: US32894352Application Date: 1952-12-31
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Publication No.: US2727366APublication Date: 1955-12-20
- Inventor: HAGEN OSCAR A
- Applicant: HAGEN OSCAR A
- Assignee: Oscar A Hagen
- Current Assignee: Oscar A Hagen
- Priority: US32894352 1952-12-31
- Main IPC: A45B3/00
- IPC: A45B3/00 ; B05B3/06 ; F24F6/12
Information query
