Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6786548 | Chair construction | Kurt R. Heidmann, Robert J. Battey, Dale M. Groendal, Bruce M. Smith | 2004-09-07 |
| 6536841 | Synchrotilt chair | Kurt R. Heidmann, Robert J. Battey, Dale M. Groendal, Bruce M. Smith | 2003-03-25 |
| D463920 | Chair | Bruce M. Smith, Dale M. Groendal | 2002-10-08 |
| D461327 | Chair | Bruce M. Smith, Dale M. Groendal | 2002-08-13 |
| 6412869 | Nestable synchrotilt chair | — | 2002-07-02 |
| D457739 | Chair | Bruce M. Smith, Dale M. Groendal | 2002-05-28 |
| D457007 | Chair | Bruce M. Smith, Dale M. Groendal | 2002-05-14 |
| D456627 | Chair | Bruce M. Smith, Dale M. Groendal | 2002-05-07 |
| D451693 | Chair | Bruce M. Smith, Dale M. Groendal | 2001-12-11 |
| 5138820 | Low leakage glazing system for space frame structures | E. Leonard Pate, Roger A. Conrad, William F. Dempster | 1992-08-18 |
| 4509879 | Joining system for triangulated structures | — | 1985-04-09 |