Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359069 | Plastic composition with spent filter media filler | Somayajulu Venkata Satya Gandikota, David Grewell | 2022-06-14 |
| D645725 | Hinge | Alexander Katz | 2011-09-27 |
| 7827737 | Recessed plaster collar assembly | David J. Ziobro, Vergenia Chanlel Whiting, James Beresford Lee | 2010-11-09 |
| 7571570 | Recessed plaster collar assembly | David J. Ziobro, Vergenia Chantel Whiting, James Beresford Lee | 2009-08-11 |