Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11338606 | Optical security device and method of manufacture | Randall P. James, Michael D. Long, Gary Fairless Power | 2022-05-24 |
| 6865001 | System and method for encoding and decoding an image or document and document encoded thereby | Michael D. Long | 2005-03-08 |