Duwell; Michael J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Duwell; Michael J..The latest application filed is for "adjustable comfort mattress system and processes".
- Duwell; Michael J. - Atlanta GA
- Duwell; Michael J. - Cincinnati OH
- Duwell; Michael J. - Columbus OH
- Duwell; Michael J. - Chicago IL
| Patent | Date |
|---|---|
| Adjustable comfort mattress system and processes Grant 10,517,407 - Duwell , et al. Dec | 2019-12-31 |
| Adjustable Comfort Mattress System And Processes App 20190133333 - Duwell; Michael J. ; et al. | 2019-05-09 |
| Adjustable comfort mattress system and processes Grant 10,182,662 - Duwell , et al. Ja | 2019-01-22 |
| Adjustable Comfort Mattress System And Processes App 20170318981 - Duwell; Michael J. ; et al. | 2017-11-09 |
| Radiolucent hospital bed surface Grant 4,926,457 - Poehner , et al. May 15, 1 | 1990-05-15 |
| Dual hydraulic hospital bed with emergency bypass circuit Grant 4,751,754 - Bailey , et al. June 21, 1 | 1988-06-21 |
| Push block for use in guiding work pieces during cutting operations Grant D278,790 - Chaney , et al. May 14, 1 | 1985-05-14 |
| System for opening and emptying containers Grant 4,265,584 - Duwell , et al. May 5, 1 | 1981-05-05 |
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.
| 