Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6000845 | Temperature sensing and indicating device | Richard Park, Gary Kloock | 1999-12-14 |
| 5107793 | Sound creating training device | — | 1992-04-28 |
| 4538515 | Printing machine with programmed control of print cylinder motor and web tractor feed motor | Robert Phillips, Richard Park | 1985-09-03 |
| 4355911 | Surface temperature sensing device | — | 1982-10-26 |
| 4266501 | Cake trimming and icing levelling and smoothing means | Mary R. Knupp | 1981-05-12 |
| 4259123 | Thermocouple probe-construction and mounting | — | 1981-03-31 |