Issued Patents All Time
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10137746 | Actuator | Eugenio Tiziani, Davide Bionaz, Marco Bassi | 2018-11-27 |
| 5988425 | Sipper cup | Gregory C. Yehl | 1999-11-23 |
| 4832833 | Formation of membrane-like material | — | 1989-05-23 |
| 4704200 | Method of separating oil or bitumen from surfaces covered with same | — | 1987-11-03 |
| 4698148 | Removal of chlorine-based contaminants from materials contaminated the same | — | 1987-10-06 |
| 4658465 | Quick release power cord wrap for canister vacuum cleaner | William J. Martin | 1987-04-21 |
| 4639055 | Hose coupling for vacuum cleaner | — | 1987-01-27 |
| 4618195 | Vacuum cleaner hose coupling | — | 1986-10-21 |
| 4610729 | Removal of chlorine-based contaminants from materials contaminated with same | — | 1986-09-09 |
| 4557535 | Electrical hose swivel connector for canister vacuum cleaner | — | 1985-12-10 |
| 4550957 | Electrical hose swivel connector for canister vacuum cleaner | — | 1985-11-05 |
| 4530543 | Plastic wheel having an annular bearing support | — | 1985-07-23 |
| 4509227 | Three-piece swivel caster having a force transfer roller | — | 1985-04-09 |
| 4417985 | Treatment of waters with broad spectrum contaminants | — | 1983-11-29 |
| 4403372 | Vacuum cleaner brush having string guard means | Erwin E. Nordeen | 1983-09-13 |