Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12161219 | Cleaning bristle brushes and cleaning systems using same | Zachary Smith | 2024-12-10 |
| 10046695 | Vehicle visibility system | Karla Flores | 2018-08-14 |
| 9101519 | Leveling ramp for a wheelchair | Garrett Smith, Darren K. Back, Stephen A. Asztalos | 2015-08-11 |
| 7703781 | Suspensions for low floor vehicle | Earl Dallas Smith | 2010-04-27 |
| 7597122 | Apparatus and method to monitor the usage of a network system of personal hand sanitizing dispensers | — | 2009-10-06 |
| 7425005 | Suspensions for low floor vehicles | Earl Dallas Smith | 2008-09-16 |
| D512648 | Dispenser for fluid material | Zachary Smith | 2005-12-13 |
| 6883563 | Apparatus and method to monitor the usage of a network system of personal hand sanitizing dispensers | — | 2005-04-26 |
| 6392546 | Hand washing compliance measurement and recording system | — | 2002-05-21 |
| 4925495 | Washing apparatus and method | William Crisp, Melvyn Engel, Richard C. Kudlicki | 1990-05-15 |
| 4817651 | Hand and forearm cleansing apparatus | William Crisp, Richard C. Kudlicki | 1989-04-04 |
| D298971 | Motor vehicle cleaning and restoration building | — | 1988-12-13 |
| 4541874 | Vehicle scrubbing apparatus | — | 1985-09-17 |
| 4393602 | Vehicle drying machine and method | — | 1983-07-19 |
| 4335526 | Vehicle drying machine and method | — | 1982-06-22 |
| 4239551 | Brush arrangement and sequencing for turntable car wash | — | 1980-12-16 |
| D254550 | Automatic towel rinsing machine | — | 1980-03-25 |