Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4917868 | Pool chemical dispenser | Roy P. Alexander | 1990-04-17 |
| 4643881 | Swimming pool chemical dispenser | Roy P. Alexander, J. Philip Faust | 1987-02-17 |
| D288226 | Swimming pool chemical dispenser | Arlon G. Sangster | 1987-02-10 |
| 4344902 | Process for manufacturing flexible densified polymethane foam | Oliver J. Proulx | 1982-08-17 |
| 4338072 | Apparatus for crusing partially cured freely risen foam | Oliver J. Proulx | 1982-07-06 |
| 4252517 | Apparatus for crushing partially cured freely risen foam | Oliver J. Proulx | 1981-02-24 |