Walker; Clarence L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Walker; Clarence L..The latest application filed is for "one-piece unitary occluder".
- Walker; Clarence L. - Manchester MO
- Walker; Clarence L. - St. Louis MO
- Walker; Clarence L. - Webster Groves MO
- Walker; Clarence L. - Webster Grove MO
| Patent | Date |
|---|---|
| One-piece unitary occluder Grant H2,090 - Walker November 4, 2 | 2003-11-04 |
| Drip chamber anti free flow device Grant 6,224,578 - Davis , et al. May 1, 2 | 2001-05-01 |
| Apparatus for delivering fluid to a patient Grant 5,649,810 - Schweitzer, Jr. , et al. July 22, 1 | 1997-07-22 |
| Stop-cock valve Grant D379,492 - Walker , et al. May 27, 1 | 1997-05-27 |
| Apparatus for delivering fluid to a patient Grant 5,584,671 - Schweitzer, Jr. , et al. December 17, 1 | 1996-12-17 |
| Stop-cock valve Grant 5,443,453 - Walker , et al. August 22, 1 | 1995-08-22 |
| Drop detection method and apparatus Grant 5,346,466 - Yerlikaya , et al. September 13, 1 | 1994-09-13 |
| Peristaltic infusion pump Grant D348,730 - Walker , et al. July 12, 1 | 1994-07-12 |
| Combined peristaltic infusion pump and charger unit Grant D347,472 - Sunderland , et al. May 31, 1 | 1994-05-31 |
| Charger unit for a peristaltic infusion pump Grant D342,231 - Walker , et al. December 14, 1 | 1993-12-14 |
| Peristaltic infusion device Grant 5,181,842 - Sunderland , et al. January 26, 1 | 1993-01-26 |
| Infusion device rotor shield Grant 5,133,650 - Sunderland , et al. July 28, 1 | 1992-07-28 |
| Peristaltic infusion device Grant 5,127,908 - Walker , et al. July 7, 1 | 1992-07-07 |
| Peristaltic infusion device Grant 5,057,081 - Sunderland , et al. October 15, 1 | 1991-10-15 |
| Syringe and locking device and method of assembling same Grant 4,592,746 - Burkholder , et al. June 3, 1 | 1986-06-03 |
| Pipettor mechanism and disposable tip and piston assembly Grant 4,418,580 - Satchell , et al. December 6, 1 | 1983-12-06 |
| Pressure regulator for endotracheal tube cuff or the like Grant 4,159,722 - Walker July 3, 1 | 1979-07-03 |
| Variable Capacity Fluid-dispensing Device Grant 3,640,434 - Walker February 8, 1 | 1972-02-08 |
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.
| 