All Patents in class 417/423.2 |
Patents 1 -
6
of 6
|
Number | Date | Patentee | Title | Type |
1,776,778 | Sep. 30, 1930 | A.A. Breuer | Combined blower and suction device | blowers |
1,792,570 | Feb. 17, 1931 | A.A. Breuer | Blackboard-eraser cleaner | |
1,868,519 | Jul. 26, 1932 | A.A. Breuer | Portable suction cleaner | vacuum cleaners |
2,172,135 | Sep. 05, 1939 | A.A. Breuer | Suction cleaner motor construction | vacuum cleaners |
2,422,968 | Jun. 24, 1947 | J.P. Jason | Suction-blower device | vacuum cleaners |
4,120,616 | Oct. 17, 1978 | N.M. Dwyer, J.A. Rasins | Vacuum cleaner-blower assembly with sound absorbing arrangement | blowers |