Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6381983 | Filter-drier with replaceable tubular filter element | Anthony J. Angelo, Michael R. Spearman | 2002-05-07 |
| 6123076 | Hydrophobic barrier for filters and filter media | Keith A. Roberts, Michael R. Spearman, John H. Burban, Majid Zia | 2000-09-26 |