Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6505359 | Stretcher center wheel mechanism | Richard H. Heimbrock, William K. Moore, Donald E. Smith, William M. Blyshak | 2003-01-14 |
| 6286165 | Stretcher center wheel mechanism | Richard H. Heimbrock, William K. Moore, Donald E. Smith, William M. Blyshak | 2001-09-11 |
| 5987671 | Stretcher center wheel mechanism | Richard H. Heimbrock, William K. Moore, Donald E. Smith, William M. Blyshak | 1999-11-23 |
| 5806111 | Stretcher controls | Richard H. Heimbrock, William K. Moore, Donald E. Smith, William M. Blyshak | 1998-09-15 |