Drumm; Donald E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Drumm; Donald E..The latest application filed is for "high performance current sensing architecture for brushless motors".
- Drumm; Donald E. - Billerica MA
| Patent | Date |
|---|---|
| High performance current sensing architecture for brushless motors Grant 11,290,043 - Valle, IV , et al. March 29, 2 | 2022-03-29 |
| High Performance Current Sensing Architecture For Brushless Motors App 20200153372 - Valle, IV; Claude F. ; et al. | 2020-05-14 |
| Autoilluminating lamp system Grant RE41,628 - Barbeau , et al. September 7, 2 | 2010-09-07 |
| Portable bar code simulator device and method App 20020074404 - Drumm, Donald E. | 2002-06-20 |
| Sourceless orientation sensor Grant 5,526,022 - Donahue , et al. June 11, 1 | 1996-06-11 |
| Hands-free hardware keyboard Grant 5,426,450 - Drumm June 20, 1 | 1995-06-20 |
| Computer input device using orientation sensor Grant 5,363,120 - Drumm * November 8, 1 | 1994-11-08 |
| Computer input device using an orientation sensor Grant 5,287,119 - Drumm * February 15, 1 | 1994-02-15 |
| Computer input device using an orientation sensor Grant 5,142,655 - Drumm August 25, 1 | 1992-08-25 |
| Computer input device using an orientation sensor Grant 5,068,645 - Drumm November 26, 1 | 1991-11-26 |
| Electronic light pointer for a projection monitor Grant 4,808,980 - Drumm February 28, 1 | 1989-02-28 |
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