Issued Patents All Time
Showing 1–13 of 13 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8167148 | Convertible instrument rack | — | 2012-05-01 |
| 8016138 | Hanger retainer device, system, and methods for retaining hangers on a rod | — | 2011-09-13 |
| 7921960 | Acoustic cabinet | Peter F. Menzel, Rebecca S. Broton, Mark R. Friedrichs, Ronald Freiheit | 2011-04-12 |
| D624759 | Hanger retaining device | — | 2010-10-05 |
| D606339 | Cabinet grille | Peter F. Menzel, Rebecca S. Broton, Mark R. Friedrichs, Ronald Freiheit | 2009-12-22 |
| 7396078 | Music posture chair | Patrick Weber | 2008-07-08 |
| 6772151 | Color matching system and method | Richard C. Johnston, Susan Bates, Scott Russell, Michael E. Masterson, Alan R. Burgess +1 more | 2004-08-03 |
| 4777798 | Universal control system for hydraulic cylinders | Stanley Norland, James C. Solie | 1988-10-18 |
| 4322030 | Lubrication and cooling system for a high speed ultracentrifuge drive assembly | William S. Gutierrez, Williams G. Patterson | 1982-03-30 |
| 4226359 | Direct drive high speed ultracentrifuge | — | 1980-10-07 |
| 4214179 | Rotor imbalance detector for a centrifuge | William S. Gutierrez | 1980-07-22 |
| 4205779 | Pressure bypass ports for an ultracentrifuge drive system in a vacuum environment | — | 1980-06-03 |
| 4196844 | Closing structure for centrifuge vacuum chamber | — | 1980-04-08 |