Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8734589 | Use of liquid flushing composition in cleaning a heat exchanger | Eva Ackerman, Yanwei Cen, William Francis Flynn | 2014-05-27 |
| 8298345 | Method for cleaning a heat exchanger | Eva Ackerman, Yanwei Cen, William Francis Flynn | 2012-10-30 |
| 7481003 | Football down chain set | — | 2009-01-27 |
| 6848994 | Automated wagering recognition system | Randy L. Knust, Eric Schoppe | 2005-02-01 |
| D422057 | Hose end trigger high pressure spray nozzle | — | 2000-03-28 |
| D396524 | Anti-siphon valve body | Walter C. Patrick | 1998-07-28 |
| 4772241 | Toy top with impeller-driven flywheel | Jay M. Bro, Raymond R. Lynch, Peter C. Hill, Arthur J. Foss, Gary M. Saffer +1 more | 1988-09-20 |
| 4560363 | Eye-moving mechanism for a figure toy | Pinhas Sayegh, James R. Bjorklund | 1985-12-24 |