Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D614754 | Universal filter frame | Richard DeFelice, Michael G. Johnson, Stephen Palaszewski, Douglass R. Hall | 2010-04-27 |
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D614754 | Universal filter frame | Richard DeFelice, Michael G. Johnson, Stephen Palaszewski, Douglass R. Hall | 2010-04-27 |