Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11295637 | Fade resistant posted marker sign | — | 2022-04-05 |
| D841127 | Backpack water spray tank | — | 2019-02-19 |
| 9364709 | Compact portable leg exercise machine | Ying Y. Butler | 2016-06-14 |
| D754812 | Handle and clamp assembly for sprayer tank | Walter Williams, Sudhindra Belur Gopalarao | 2016-04-26 |
| D734412 | Compact portable leg exercise machine | Ying Y. Butler | 2015-07-14 |
| 8864633 | Compact portable leg exercise machine | Ying Y. Butler | 2014-10-21 |