Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12065070 | Convertible furniture system | Cal G. Niemela, Marcus Niemela, Michael R. Jackson | 2024-08-20 |
| 11419427 | Convertible furniture system | Cal G. Niemela, Marcus Niemela | 2022-08-23 |
| 5638618 | Adjustable wing plow | Cal G. Niemela, Eward R. Lahti | 1997-06-17 |
| 4606252 | Chain saw wood cutting apparatus | — | 1986-08-19 |
| 4457492 | Lifting apparatus | — | 1984-07-03 |