Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9578096 | Peer-to-peer email | Donald L. Hoffman, Mark T. Mitchell | 2017-02-21 |
| 9373133 | Peer-to-peer email with video and advertising aspects | Donald L. Hoffman, Mark T. Mitchell | 2016-06-21 |
| 9299056 | Peer-to-peer email with video and advertising aspects | Donald L. Hoffman, Mark T. Mitchell | 2016-03-29 |
| 9166937 | Peer-to-peer email | Donald L. Hoffman, Mark T. Mitchell | 2015-10-20 |
| 5900720 | Micro-electronic power supply for electrochromic eyewear | Mark B. Roberts, David F. Baretich | 1999-05-04 |
| 5835185 | Spring-hinged frame for eyeware | Leonard M. Dorfman, John F. Ahern | 1998-11-10 |
| 5657150 | Electrochromic edge isolation-interconnect system, process, and device for its manufacture | James D. Williams, Albert E. Ozias, Leonard M. Dorfman, Christian F. Schaus, Geoffrey A. Russell +2 more | 1997-08-12 |
| 5455637 | Electrochromic eyewear system, rechargeable eyewear and external charger therefor | Mark B. Roberts, David F. Baretich, Leonard M. Dorfman, John F. Ahern | 1995-10-03 |
| 5455638 | Electrochromic eyewear | Mark B. Roberts, David F. Baretich, Leonard M. Dorfman, John F. Ahern | 1995-10-03 |
| 4523113 | Magnetohydrodynamic generator system | — | 1985-06-11 |