Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4987637 | Canister vacuum cleaner and method of manufacture | Donald E. Janke, James R. Giordano | 1991-01-29 |
| 4812810 | Fiber optic door sensor for a domestic appliance | Daniel S. Query | 1989-03-14 |