Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4597130 | Electrical connection means for canister vacuum cleaner | — | 1986-07-01 |
| 4597131 | Mounting for motor-fan unit | — | 1986-07-01 |
| 4591369 | Dust bag mount arrangement for canister vacuum cleaner | Bruce E. Stewart | 1986-05-27 |
| 4554700 | Invisible hinge means for lid and hood of a canister vacuum cleaner | — | 1985-11-26 |
| 4466677 | Vacuum cleaner hose manufacture | — | 1984-08-21 |
| 4429430 | Vacuum cleaner beater brush structure | — | 1984-02-07 |
| 4423534 | Vacuum cleaner handle lock | George A. Westergren | 1984-01-03 |
| 4375117 | Floor cleaner motor mount | — | 1983-03-01 |