Johnson; Ronald A.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Ronald A..The latest application filed is for "battery management system".
- Johnson; Ronald A. - Las Vegas NV
- Johnson; Ronald A. - Henderson MN
- Johnson; Ronald A. - Effingham IL
- Johnson; Ronald A. - Union Grove NC
- Johnson; Ronald A. - Ft. Lauderdale FL
- Johnson; Ronald A. - Racine WI
- Johnson; Ronald A. - Jackson MI
| Patent | Date |
|---|---|
| Battery management system Grant 11,218,005 - Winters , et al. January 4, 2 | 2022-01-04 |
| Battery Management System App 20200044461 - Winters; Frederick ; et al. | 2020-02-06 |
| Ventilated mask for outdoor use Grant 7,055,521 - Johnson June 6, 2 | 2006-06-06 |
| Electric vehicle drive system Grant 6,633,151 - Johnson October 14, 2 | 2003-10-14 |
| Electric vehicle drive system App 20020125855 - Johnson, Ronald A. | 2002-09-12 |
| Electric motor Grant 5,661,379 - Johnson August 26, 1 | 1997-08-26 |
| Hat-like apparatus for directing air flow Grant 5,085,231 - Johnson February 4, 1 | 1992-02-04 |
| Fracture fixation by cerclage utilizing cortical bone tack and pull-out tension device Grant 4,146,022 - Johnson , et al. March 27, 1 | 1979-03-27 |
| Dual Media Air Filter Grant 3,686,837 - Hopkins , et al. August 29, 1 | 1972-08-29 |
| Dual Media Air Filter Grant 3,681,898 - Hopkins , et al. August 8, 1 | 1972-08-08 |
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