Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6139935 | Oxygen-absorbing label | John S. Cullen, Thomas H. Powers | 2000-10-31 |
| 5746937 | Oxygen absorbing composition | George E. McKedy, Thomas H. Powers | 1998-05-05 |
| 5730785 | Desiccant canister for desiccants and other particulate material | Joseph L. Iwaniszek | 1998-03-24 |
| 5686161 | Moisture-sensitive label | John S. Cullen, Thomas H. Powers | 1997-11-11 |
| 5667863 | Oxygen-absorbing label | John S. Cullen, Thomas H. Powers | 1997-09-16 |
| 5641425 | Oxygen absorbing composition | George E. McKedy, Thomas H. Powers | 1997-06-24 |