Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D462186 | Chair | Craig H. Schultz, Douglas A. Schroeder, Marcus C. Koepke, Ogden R. Olson, Earl H. Koepke | 2002-09-03 |
| 6296309 | Chair construction | — | 2001-10-02 |
| D446400 | Chair | Craig H. Schultz, Douglas A. Schroeder, Marcus C. Koepke, Earl H. Koepke, Ogden R. Olson | 2001-08-14 |
| D437702 | Chair | Marcus C. Koepke, Ogden R. Olson, Earl H. Koepke | 2001-02-20 |
| D437704 | Chair | Marcus C. Koepke, Ogden R. Olson, Earl H. Koepke | 2001-02-20 |
| 6161897 | Chair construction | Ogden R. Olson, Marcus C. Koepke, Earl H. Koepke | 2000-12-19 |
| 6109694 | Chair with four-bar linkage for self-adjusting back tension | — | 2000-08-29 |
| 6102477 | Chair with tilt limiter | — | 2000-08-15 |
| D424530 | Multimedia unit | Nicholas Price, Ogden R. Olson, Rudolph J. Pavlik, David G. Blackburn, David Millar +1 more | 2000-05-09 |