Invention Grant
- Patent Title: Adjustable control for automatic vacuum cleaners
- Patent Title (中): 自动吸尘器可调节控制
-
Application No.: US40709654Application Date: 1954-01-29
-
Publication No.: US2758670APublication Date: 1956-08-14
- Inventor: DOUGHMAN FERMAN C , KOSIK JR JOHN , FERRARIS JOHN T
- Applicant: ELECTROLUX CORP
- Assignee: Electrolux Corp
- Current Assignee: Electrolux Corp
- Priority: US40709654 1954-01-29
- Main IPC: A47L9/19
- IPC: A47L9/19
Information query
