Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10475334 | Accessible pedestrian pushbutton station | Angela R. Stussi, Michael A. Rankin, Kennith E. George, Douglas D. Gubbe, Donald M. Mamchur | 2019-11-12 |
| 10192429 | Accessible pedestrian pushbutton station | Angela R. Stussi, Michael A. Rankin, Kennith E. George, Douglas D. Gubbe, Donald M. Mamchur | 2019-01-29 |
| 10096239 | Accessible pedestrian pushbutton station | Angela R. Stussi, Michael A. Rankin, Kennith E. George, Douglas D. Gubbe, Donald M. Mamchur | 2018-10-09 |
| 8665115 | Accessible pedestrian signal system | Douglas D. Gubbe | 2014-03-04 |