Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5979988 | Modular chair construction and method of assembly | Kurt R. Heidmann, Brian L. Christensen, Michael W. Haan, Glenn A. Knoblock, Eric McClure +6 more | 1999-11-09 |
| 5873634 | Modular chair construction and method of assembly | Kurt R. Heidmann, Brian L. Christensen, Micahel W. Haan, Glenn A. Knoblock, Eric McClure +6 more | 1999-02-23 |
| 5782536 | Modular chair construction and method of assembly | Kurt R. Heidmann, Brian L. Christensen, Michael W. Haan, Glenn A. Knoblock, Eric McClure +6 more | 1998-07-21 |
| 5630647 | Tension adjustment mechanism for chairs | Kurt R. Heidmann, Brian L. Christensen, Michael W. Haan, Glenn A. Knoblock, Eric McClure +6 more | 1997-05-20 |