Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11359164 | Gutter cleaning composition comprising a mixture of three nonionic surfactants | William E. Dennison | 2022-06-14 |
| 6337029 | Method and composition for etching glass ceramic and porcelain surfaces | Richard D. Hardy | 2002-01-08 |
| 6187374 | Coatings with increased adhesion | Richard D. Hardy | 2001-02-13 |