Issued Patents All Time
Showing 25 most recent of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9162401 | Devices and processes for performing degassing operations | Donnie J. Duis, Stephen R. Beaton, Gregory Scott Duncan | 2015-10-20 |
| 7625197 | Devices and processes for performing degassing operations | Donnie J. Duis, Stephen R. Beaton, Gregory Scott Duncan | 2009-12-01 |
| 6715490 | Convenient “drop-down” respirator | — | 2004-04-06 |
| 6591837 | Convenient “drop-down” respirator | — | 2003-07-15 |
| 6494021 | Contact lens transfer and material removal system | Mark E. Schlagel, Darren S. Keene | 2002-12-17 |
| 6457473 | Drop-down face mask assembly | Gerald M. Brostrom | 2002-10-01 |
| 6119692 | "Convenient ""drop-down"" respirator" | — | 2000-09-19 |
| D426298 | Full-face respirator lens | Vaughn B. Grannis, David P. Knivsland, Joseph G. Reischel, Gerald M. Brostrom | 2000-06-06 |
| 6062221 | Drop-down face mask assembly | Gerald M. Brostrom | 2000-05-16 |
| D421801 | Carriage for drop-down mask assembly | Gerald M. Brostrom | 2000-03-21 |
| D421299 | Carriage for drop-down mask assembly | Gerald M. Brostrom | 2000-02-29 |
| 6018931 | Method and support for supporting packages only at their edges during steam sterilization | Gregory Scott Duncan, Marlaine Gail Mills, James Peck, Kenneth Kurt Pricer | 2000-02-01 |
| D411215 | Disposable hand held verifier | — | 1999-06-22 |
| D409744 | Full face respirator lens | Vaughn B. Grannis, David P. Knivsland, Joseph G. Reischel, Gerald M. Brostrom | 1999-05-11 |
| D407115 | Tape dispenser | Michelle A. Baker, Casey L. Carlson, Perry S. Dotterman, Steven L. Henry, David C. Windorski | 1999-03-23 |
| 5836323 | Automated method and apparatus for hydrating soft contact lenses | Darren S. Keene, Timothy P. Newton, Daniel Tsu-Fang Wang, David Dolan, Kiyoshi Imai +7 more | 1998-11-17 |
| 5762081 | Automated apparatus for hydrating soft contact lenses | Darren S. Keene, Timothy P. Newton, Daniel Tsu-Fang Wang, David Dolan, Kiyoshi Imai +7 more | 1998-06-09 |
| D388872 | Full face respirator lens | Vaughn B. Grannis, David P. Knivsland, Joseph G. Reischel, Gerald M. Brostrom | 1998-01-06 |
| D378610 | Full face respirator | Joseph G. Reischel, David P. Knivsland, Gerald M. Brostrom, Vaughn B. Grannis | 1997-03-25 |
| 5481763 | Molded head harness | Gerald M. Brostrom | 1996-01-09 |
| 5464010 | "Convenient ""drop-down"" respirator harness structure and method of use" | — | 1995-11-07 |
| 5425701 | Orthopedic brace having width adjusting vamp | Craig D. Oster, Dayton W. Hulst | 1995-06-20 |
| 5394568 | Molded head harness | Gerald M. Brostrom | 1995-03-07 |
| D347299 | Valve cover | John W. Bryant, Alan G. Kellett, Richard Lees, Daniel A. Japuntich | 1994-05-24 |
| D347298 | Valve cover | Daniel A. Japuntich, James E. Steffen | 1994-05-24 |