McDowell; Douglas J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for McDowell; Douglas J..The latest application filed is for "spring-powered infusion pump".
- McDowell; Douglas J. - Erie CO
- McDowell; Douglas J. - Iowa City IA
- McDowell; Douglas J. - Santa Clarita CA
- McDowell; Douglas J. - Canyon Country CA
- McDowell; Douglas J. - Niagara Falls NY
| Patent | Date |
|---|---|
| Infusion pump Grant D453,830 - McDowell , et al. February 19, 2 | 2002-02-19 |
| Spring-powered infusion pump App 20010056259 - Skinkle, David W. ; et al. | 2001-12-27 |
| Toothbrush Grant 6,108,851 - Bredall , et al. August 29, 2 | 2000-08-29 |
| Toothbrush Grant 6,006,394 - Bredall , et al. December 28, 1 | 1999-12-28 |
| Toothbrush Grant 5,742,972 - Bredall , et al. April 28, 1 | 1998-04-28 |
| Toothbrush with rectangular bristles Grant 5,396,678 - Bredall , et al. March 14, 1 | 1995-03-14 |
| Vacuum system for auto transfusion device Grant 5,149,325 - Telang , et al. September 22, 1 | 1992-09-22 |
| Exhalation valve for respiratory circuit Grant 5,020,532 - Mahoney , et al. June 4, 1 | 1991-06-04 |
| Composite material of discontinuous silicon carbide particles and continuous silicon matrix and method of producing same Grant 4,795,673 - Frechette , et al. January 3, 1 | 1989-01-03 |
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