Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12220290 | Flossing apparatus with quick release | — | 2025-02-11 |
| 11284977 | Adjustable dental-floss apparatus | — | 2022-03-29 |
| 11129502 | Touchless sanitizing apparatus | — | 2021-09-28 |
| 11007293 | Touchless sanitizing elevator button | — | 2021-05-18 |
| 6116381 | Passive hall fixtures mounted in elevator doors | — | 2000-09-12 |
| 5372221 | Active brake sensor | — | 1994-12-13 |
| 5276294 | Elevator button improved to function as a lock | — | 1994-01-04 |
| 5149986 | Electronic control button operated by sound absorption | — | 1992-09-22 |
| 4378552 | Acoustic encoding apparatus | — | 1983-03-29 |
| 4258356 | Multi bar encoding apparatus utilizing acoustic energy | — | 1981-03-24 |