Issued Patents All Time
Showing 1–25 of 32 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5823699 | Post height adjustment for dental equipment | Stephen N. Weiler | 1998-10-20 |
| 5788217 | Cuspidor water supply valving | Shawn R. Irwin, Brian E. Bonn | 1998-08-04 |
| 5738520 | Three-way pneumatic valve system | Paul D. Sturges | 1998-04-14 |
| D392878 | Dental patient simulator | Carl G. Nordstrom, Phil S. Smith, Andrew G. Schaefers, Paul D. Sturges | 1998-03-31 |
| 5645144 | Control mechanism for sliding panel | Andrew G. Schaefers | 1997-07-08 |
| D378416 | Dental control unit | Pierre LaPlante, Carl G. Nordstrom | 1997-03-11 |
| 5601331 | Integrated dental chair and post-mounted delivery system | William F. Fisher | 1997-02-11 |
| 5433485 | Syringe tip retainer assembly | Ronald A. Rolleston, II, Mathew H. Parlier, Sandor Johannes | 1995-07-18 |
| 5430266 | Control panel with sealed switch keypad | Robert E. Holden, Ronald A. Rolleston, II, Robert L. Sickler, Jr. | 1995-07-04 |
| 5413358 | Seal for push-button switches | Pierre LaPlante, William F. Fisher, Raymond G. Reed | 1995-05-09 |
| 5407565 | Solids collector used in dentistry | David L. Curtis | 1995-04-18 |
| 5398899 | Rotation adjustment for dental instrument holder | Pierre LaPlante | 1995-03-21 |
| D351231 | Control unit for dental instruments | Carl G. Nordstrom, Bruno F. Zadnik, David L. Curtis | 1994-10-04 |
| 5332194 | Fluid flow controller | Sandor Johannes, Theodore E. Schmidt | 1994-07-26 |
| 5286065 | Retainer assembly for syringe tip | Sandor Johannes, Ronald A. Rolleston, II | 1994-02-15 |
| 5273427 | Instrument holder with valve assembly | Pierre LaPlante, Larry D. Osterhoudt | 1993-12-28 |
| 5257341 | Compact in-line thermostatically controlled electric water heater for use with dental instruments | Andrew G. Schaefers | 1993-10-26 |
| 5249881 | Telescoping arm apparatus | J. Rick Halbirt | 1993-10-05 |
| 5203373 | Foot-actuated valves | Larry D. Lietz | 1993-04-20 |
| 5201899 | Control system for dental handpieces | Paul D. Sturges, Sandor Johannes | 1993-04-13 |
| 5190349 | Dental chair | El Don L. Hoven, Tony J. Tewell, Shawn R. Irwin, Paul B. Krebs, Bradley A. Rice | 1993-03-02 |
| 5176423 | Apparatus for securing an instrument holder to a dental chair | Bradley A. Rice | 1993-01-05 |
| 5150880 | Valve assembly with flow control | Sandor Johannes | 1992-09-29 |
| D328791 | Dental control unit | Carl G. Nordstrom, Larry D. Lietz, Raymond G. Reed | 1992-08-18 |
| D320257 | Rotary spool valve | Charles Nelson | 1991-09-24 |