Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8691144 | System and method for photocatalytic oxidation air filtration using a substrate with photocatalyst particles powder coated thereon | Kirk Garfield | 2014-04-08 |
| 8328917 | System and method for photocatalytic oxidation air filtration using a substrate with photocatalyst particles powder coated thereon | Kirk Garfield | 2012-12-11 |
| 7820100 | System and method for photocatalytic oxidation air filtration using a substrate with photocatalyst particles powder coated thereon | Kirk Garfield | 2010-10-26 |
| 5215733 | Manufacture of silica gels using shear to reduce the particle size prior to washing with a hydrocyclone | — | 1993-06-01 |
| 4436644 | Adjuncts for use in the manufacture of detergent powders | Richard S. Johnson | 1984-03-13 |
| 4328114 | Detergent compositions and processes for manufacturing them | Richard S. Johnson | 1982-05-04 |