Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9938471 | Process for refining used lubricating oil | — | 2018-04-10 |
| 8016301 | Stretcher foot pedal arrangement | Gregory J. Figel, Kenneth Q. Rudolf, David A. Albersmeyer, Richard H. Heimbrock, James L. Walke +4 more | 2011-09-13 |
| 7810822 | Stretcher having hand actuated caster braking apparatus | Gregory J. Figel, Kenneth Q. Rudolf, David A. Albersmeyer, Richard H. Heimbrock, James L. Walke +4 more | 2010-10-12 |