Invention Grant
- Patent Title: Method of making a vacuum cleaner hose
- Patent Title (中): 制造吸尘器软管的方法
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Application No.: US20504362Application Date: 1962-06-25
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Publication No.: US3211599APublication Date: 1965-10-12
- Inventor: BROWN RAYMOND L , DOWNEY DAVID F
- Applicant: ELECTROLUX CORP
- Assignee: Electrolux Corp
- Current Assignee: Electrolux Corp
- Priority: US20504362 1962-06-25; US8956061 1961-02-15
- Main IPC: B29D23/00
- IPC: B29D23/00
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