Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11266871 | Stair exerciser apparatus | Robert C Burck, Michael J Fidler, Noel R. Johnson, Mark J. Kannel | 2022-03-08 |
| 10596409 | Stair exerciser apparatus | Robert C Burck, Michael J Fidler, Noel R. Johnson, Mark J. Kannel | 2020-03-24 |
| 9993682 | Stair exerciser apparatus | Noel R. Johnson | 2018-06-12 |
| 7846071 | Stationary exercise apparatus | Mrako A. Fenster, Donald E. Stiemke | 2010-12-07 |