Walker; Douglas W.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker; Douglas W..The latest application filed is for "multifunction microdermabrasion wand".
- Walker; Douglas W. - Ventura CA
- Walker; Douglas W. - Fort Worth TX US
- Walker; Douglas W. - Durango CO
- Walker; Douglas W. - Littleton CO
| Patent | Date |
|---|---|
| Multifunction Microdermabrasion Wand App 20220117632 - Walker; Douglas W. ; et al. | 2022-04-21 |
| Tattoo enhancement procedure Grant 10,278,733 - Walker , et al. | 2019-05-07 |
| Laparoscopic Tool Cover And Method Of Use App 20190021713 - Walker; Douglas W. | 2019-01-24 |
| Tattoo Enhancement Procedure App 20160287288 - Walker; Douglas W. ; et al. | 2016-10-06 |
| Multi-chamber automatic feed medical screwdriver Grant 9,271,732 - Walker March 1, 2 | 2016-03-01 |
| Multi-chamber Automatic Feed Medical Screwdriver App 20130123794 - Walker; Douglas W. | 2013-05-16 |
| Method for using an automatic feed medical screwdriver Grant 8,262,669 - Walker September 11, 2 | 2012-09-11 |
| Disposable battery pack for a surgical drill; and method Grant 8,177,787 - Walker , et al. May 15, 2 | 2012-05-15 |
| Method For Using An Automatic Feed Medical Screwdriver App 20100179559 - Walker; Douglas W. | 2010-07-15 |
| Battery charger adapter Grant D616,817 - Walker , et al. June 1, 2 | 2010-06-01 |
| Personal body grounding system instrumentation and process Grant 7,212,392 - Walker , et al. May 1, 2 | 2007-05-01 |
| Personal Body Grounding System Instrumentation And Process App 20060285266 - Walker; Douglas W. ; et al. | 2006-12-21 |
| Disposable battery pack for a surgical drill; and method App 20050159752 - Walker, Douglas W. ; et al. | 2005-07-21 |
| Cordless surgical handpiece with disposable battery; and method Grant 6,887,244 - Walker , et al. May 3, 2 | 2005-05-03 |
| Cordless surgical handpiece with disposable battery; and method Grant 6,126,670 - Walker , et al. October 3, 2 | 2000-10-03 |
| Apparatus and method for testing and indicating battery charge and functionality Grant 6,121,753 - Walker , et al. September 19, 2 | 2000-09-19 |
| Trailerable structure with retractable suspension Grant 5,161,814 - Walker November 10, 1 | 1992-11-10 |
| Trailerable structure with retractable towing hardware Grant 5,137,297 - Walker August 11, 1 | 1992-08-11 |
| Trailerable structure and components for use therewith Grant 4,807,894 - Walker February 28, 1 | 1989-02-28 |
| Flexible electrode plate Grant 3,918,989 - Gillman , et al. November 11, 1 | 1975-11-11 |
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.
| 