Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5714747 | Magnetic card and reader system | Bradford D. West, Greg A. Burg, Steven J. Adamson, Frederick R. Chamberlain, IV, Frederick J. Jeffers +2 more | 1998-02-03 |
| 5698839 | Magnetically encodable card having magnetic pigment uniformly dispersed in plastic | Frederick J. Jeffers, Robert O. James | 1997-12-16 |