Swinehart; Robert M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Swinehart; Robert M..The latest application filed is for "air filtration system using point ionization sources".
- Swinehart; Robert M. - Marine MN
- Swinehart; Robert M. - Marine on St. Croix MN
- Swinehart; Robert M. - St. Paul MN
- Swinehart; Robert M. - Maplewood MN
| Patent | Date |
|---|---|
| Air filtration system using point ionization sources Grant 7,141,098 - Zhang , et al. November 28, 2 | 2006-11-28 |
| Air filtration system using point ionization sources App 20050160907 - Zhang, Zhiqun ; et al. | 2005-07-28 |
| Air filtration system using point ionization sources Grant 6,758,884 - Zhang , et al. July 6, 2 | 2004-07-06 |
| Air cleaner Grant D492,019 - Zhang , et al. June 22, 2 | 2004-06-22 |
| Air cleaner Grant D491,655 - Zhang , et al. June 15, 2 | 2004-06-15 |
| Air filtration system using point ionization sources App 20040025695 - Zhang, Zhiqun ; et al. | 2004-02-12 |
| Air cleaner Grant D484,228 - Zhang , et al. December 23, 2 | 2003-12-23 |
| Visual Differentiation Of Adsorbent-loaded Media App 20030029320 - Janisch, Jason D. ; et al. | 2003-02-13 |
| Electrically conductive adhesive tape Grant 5,087,494 - Calhoun , et al. February 11, 1 | 1992-02-11 |
| Optical fibers having piezoelectric coatings Grant 4,726,651 - Wei , et al. February 23, 1 | 1988-02-23 |
uspto.report is an independent third-party trademark research tool that is not affiliated, endorsed, or sponsored by the United States Patent and Trademark Office (USPTO) or any other governmental organization. The information provided by uspto.report is based on publicly available data at the time of writing and is intended for informational purposes only.
While we strive to provide accurate and up-to-date information, we do not guarantee the accuracy, completeness, reliability, or suitability of the information displayed on this site. The use of this site is at your own risk. Any reliance you place on such information is therefore strictly at your own risk.
All official trademark data, including owner information, should be verified by visiting the official USPTO website at www.uspto.gov. This site is not intended to replace professional legal advice and should not be used as a substitute for consulting with a legal professional who is knowledgeable about trademark law.
| 