Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8745937 | Refaced staircase | Bruce R. Mang, Sr., Douglas Plourde, Norman J. Plourde | 2014-06-10 |
| 8516771 | Method of refacing a staircase | Bruce R. Mang, Sr., Douglas Plourde, Norman J. Plourde | 2013-08-27 |
| 6708416 | Inclination sensor | Daniel W. Havens | 2004-03-23 |
| 6019710 | Exercising device with elliptical movement | William T. Dalebout | 2000-02-01 |