Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6660368 | Tamper indicating adhesive device | — | 2003-12-09 |
| 6416857 | Tamper indicating device | Mark Wright, Raymond R. Rivera, Thomas P. Hanschen, Raymond R. Gosselin | 2002-07-09 |
| 6395376 | Tamper indicating adhesive device | — | 2002-05-28 |
| 5660925 | Tamper-indicating and authenticating label | Henry B. Clark, III | 1997-08-26 |
| 4663024 | Process for catalytic conversion of hydrocarbon feedstock | Paul Olson, Richard M. Minday | 1987-05-05 |
| 4546090 | Hollow zeolite-containing particles useful as refining catalysts | Paul Olson, Richard M. Minday | 1985-10-08 |