Johnson; Robert F.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnson; Robert F..The latest application filed is for "hand hygiene system and method of use".
- Johnson; Robert F. - Arlington TX US
- Johnson; Robert F - Pinole CA US
- Johnson; Robert F. - Pinole CA
- Johnson; Robert F. - Spring Lake MI
- Johnson; Robert F. - Mesa AZ
- Johnson; Robert F. - Calgary Alberta T2K 1R3 CA
- Johnson; Robert F. - Victor NY
Trademarks
| Patent | Date |
|---|---|
| Hand hygiene system and method of use Grant 11,067,221 - Johnson , et al. July 20, 2 | 2021-07-20 |
| Portable marker device Grant 9,564,071 - Johnson February 7, 2 | 2017-02-07 |
| Support device for a post Grant 9,165,488 - Johnson October 20, 2 | 2015-10-20 |
| Marker support Grant 6,719,484 - Johnson April 13, 2 | 2004-04-13 |
| Permanent mold casting of reactive melt Grant 5,287,910 - Colvin , et al. February 22, 1 | 1994-02-22 |
| Method for laser trimming of bi-FET circuits Grant 4,172,741 - Johnson October 30, 1 | 1979-10-30 |
| Surfboard rudder-fin combination Grant 3,890,661 - Johnson June 24, 1 | 1975-06-24 |
| Defect Inspection Apparatus Grant 3,618,063 - Johnson November 2, 1 | 1971-11-02 |
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