Issued Patents 2021
Showing 1–15 of 15 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11207892 | Replaceable print apparatus components comprising memory | Kevin Rourke, John McNeilly | 2021-12-28 |
| 11177954 | Firmware-inaccessible key storage | John L McWilliams, Stephen D. Panshin, Francisco Alcazar | 2021-11-16 |
| 11123994 | Supply authentication via timing challenge response | Stephen D. Panshin | 2021-09-21 |
| 11052669 | Integrated circuit device for a replaceable printer component | Paul L. Jeran, Bartley Mark Hirst, Dee Chou | 2021-07-06 |
| 11048791 | Digitally signed data | Shell S. Simpson, Stephen D. Panshin, David B. Novak | 2021-06-29 |
| 11034157 | Logic circuitry | James Michael Gardner, Scott A. Linn, Stephen D. Panshin, David Owen Roethig, David Olsen +3 more | 2021-06-15 |
| 11027554 | Supply authentication via timing challenge response | Stephen D. Panshin | 2021-06-08 |
| 11020976 | Supply authentication via timing challenge response | Stephen D. Panshin | 2021-06-01 |
| 11014370 | Supply authentication via timing challenge response | Stephen D. Panshin | 2021-05-25 |
| 11001069 | Replaceable item authentication | Stephen D. Panshin, Erik D. Ness | 2021-05-11 |
| 10987936 | Supply authentication via timing challenge response | Stephen D. Panshin | 2021-04-27 |
| 10956556 | Protecting data in memory of a consumable product | Paul L. Jeran, Stephen D. Panshin | 2021-03-23 |
| 10944564 | Replaceable item authentication | Stephen D. Panshin, Erik D. Ness | 2021-03-09 |
| 10940693 | Logic circuitry | James Michael Gardner, Scott A. Linn, Stephen D. Panshin, David Owen Roethig, David Olsen +3 more | 2021-03-09 |
| 10894423 | Logic circuitry | James Michael Gardner, Scott A. Linn, Stephen D. Panshin, David Owen Roethig, David Olsen +3 more | 2021-01-19 |