Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10720789 | Wireless charging station | David W. Ritter, David B. Kosecoff, David Samuel Kumka, Madhusudanan Keezhveedi Sampath, Steven Charles Michalske +2 more | 2020-07-21 |
| 10333333 | Wireless charging retail systems | David W. Ritter, David B. Kosecoff, David Samuel Kumka, Madhusudanan Keezhveedi Sampath, Steven Charles Michalske +2 more | 2019-06-25 |
| 10282339 | System for presenting electrically supported devices | Clayton R. Woosley, Bo Feng, David Samuel Kumka, Joseph I. Briskey, Min Chul Kim +8 more | 2019-05-07 |
| 10277056 | Wireless charging station | David W. Ritter, David B. Kosecoff, David Samuel Kumka, Madhusudanan Keezhveedi Sampath, Steven Charles Michalske +2 more | 2019-04-30 |