Robertson; David H.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Robertson; David H..The latest application filed is for "moveable storage and display rack for rolled flooring materials".
- Robertson; David H. - Fresno CA
- Robertson; David H. - Boxford MA
- Robertson; David H. - Somerville MA
- Robertson; David H. - Roxford MA
- Robertson; David H. - Blandford MA
- Robertson; David H. - Palmer AK
| Patent | Date |
|---|---|
| Moveable storage and display rack for rolled flooring materials Grant 6,854,606 - Robertson February 15, 2 | 2005-02-15 |
| Moveable storage and display rack for rolled flooring materials App 20040134868 - Robertson, David H. | 2004-07-15 |
| Skewless differential switch and DAC employing the same Grant RE37,619 - Mercer , et al. April 2, 2 | 2002-04-02 |
| Two-phase boosted CMOS switch drive technique and circuit Grant 5,945,872 - Robertson , et al. August 31, 1 | 1999-08-31 |
| Asymmetric digital subscriber loop modem and method Grant 5,917,809 - Ribner , et al. June 29, 1 | 1999-06-29 |
| Skewless differential switch and DAC employing the same Grant 5,689,257 - Mercer , et al. November 18, 1 | 1997-11-18 |
| Spiral propeller having axial void Grant 5,411,422 - Robertson May 2, 1 | 1995-05-02 |
| Gain linearity correction for MOS circuits Grant 5,331,221 - Ganesan , et al. July 19, 1 | 1994-07-19 |
| Attachment for crossbow that shoots arrows to enable the crossbow to shoot slugs Grant 5,062,406 - Robertson November 5, 1 | 1991-11-05 |
| Analog-to-digital converter employing a pipeline multi-stage architecture Grant 5,043,732 - Robertson , et al. August 27, 1 | 1991-08-27 |
| Reference voltage distribution system Grant 4,990,797 - Real , et al. February 5, 1 | 1991-02-05 |
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.
| 