Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11226096 | Heater with valve configuration | Jingshou He, Huijian He | 2022-01-18 |
| D864365 | Portable heater | Owen Slater | 2019-10-22 |
| 4805941 | Quick release wheel retainer | Timothy J. Dietz | 1989-02-21 |
| D291293 | Pedal for a bicycle | Steven R. Pulskamp, William H. Ropp | 1987-08-11 |
| 4595214 | Bicycle parking brake | — | 1986-06-17 |
| 4583755 | Bicycle frame | Robert L. Diekman, Timothy J. Dietz, Lloyd W. Docter | 1986-04-22 |
| D277838 | Pedal | Jeffery G. Martin | 1985-03-05 |