|
US3106216A
|
|
Tooth cleaning device
|
|
US2877778A
|
|
Dish washing machine
|
|
US2710646A
|
|
Portable seat-back
|
|
US2823412A
|
|
Vacuum cleaner nozzle adjustment
|
|
US2823411A
|
|
Vacuum cleaner
|
|
US2691986A
|
|
Dishwashing machine
|
|
US2694282A
|
|
Reciprocating cutter and saw
|
|
US2648506A
|
|
Fishing reel
|
|
US2648396A
|
|
Vacuum cleaner
|
|
US2592710A
|
|
Sweeper type vacuum cleaner having automatic nozzle adjustment
|
|
US2534171A
|
|
Filter cleaner for vacuum dust collectors
|
|
US2583054A
|
|
Automatic nozzle adjusting device for vacuum cleaners
|
|
US2500832A
|
|
Vacuum cleaner
|
|
US2504846A
|
|
Vacuum cleaner with auxiliary suction tube and automatically controlled brush drive
|
|
US2555887A
|
|
Airflow controlled nozzle adjustment for vacuum cleaners
|
|
US2397869A
|
|
Driving mechanism
|
|
US2290336A
|
|
Handle construction
|
|
US2289711A
|
|
Suction cleaner
|
|
US2172911A
|
|
Suction sweeper
|
|
US2221746A
|
|
Vacuum cleaner
|
