Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5716055 | Method of making packing material having expanded graphite dispersed throughout | Mark R. Wilkinson, Chester S. Hopper, Michael Muir | 1998-02-10 |
| 5687974 | Packing material having expanded graphite dispersed throughout | Mark R. Wilkinson, Chester S. Hopper, Michael Muir | 1997-11-18 |
| 4745595 | Distributed electronic mailbox system | John H. Smith, Andrew McKechnie | 1988-05-17 |