Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7193233 | Variable area flow rate meter using optical sensing of float position in the duct | Daniel J. Smith, Quentin Smisek | 2007-03-20 |
| 4948013 | Method and apparatus for dispensing powdered pesticide | John E. Thomas | 1990-08-14 |
| 4938240 | Dishwashing apparatus including a flip-flop solid detergent dispenser | Lawrence W. Switala, Kim J. Ashton | 1990-07-03 |
| D304102 | Solid detergent dispenser | Lawrence W. Switala, Kim J. Ashton | 1989-10-17 |
| 4836229 | Dishwashing apparatus including a flip-top solid detergent dispenser | Lawrence W. Switala | 1989-06-06 |