Caldwell David J
USPTO Trademark & Patent Filings
Trademark applications and grants for Caldwell David J. Caldwell David J has 1 trademark applications. The latest application filed is for "FLEXPWM"
- Company Aliases
- Caldwell, David J.
- j david caldwell
- Caldwell; David J. - Carlsbad CA
- Caldwell; David J. - Redondo Bch CA
Trademarks Patents
| Patent Application | Date |
|---|---|
| Multimode power module 20080258675 - 11/789014 Caldwell; David J. ; et al. | 2008-10-23 |
| Multimode power module 9,099,759 - 11/789,014 Caldwell , et al. August 4, 2 | 2015-08-04 |
| Multimode power module 9,099,759 - 11/789,014 Caldwell , et al. August 4, 2 | 2015-08-04 |
| Flexible power converter and simplified process controller 7,615,979 - 11/604,528 Caldwell November 10, 2 | 2009-11-10 |
| Flexible closed-loop controller 6,697,685 - 09/706,284 Caldwell February 24, 2 | 2004-02-24 |
| Flexible closed-loop controller 6,697,685 - 09/706,284 Caldwell February 24, 2 | 2004-02-24 |
Mark Image Registration | Serial | Trademark Application Date |
|---|---|
"FLEXPWM" 75785535 |
FLEXPWM 1999-09-23 |
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