Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10596439 | Swim spa having a wall insert | — | 2020-03-24 |
| 5418984 | Hydrotherapy seat structure for a hydrotherapy spa, tub or swimming pool | — | 1995-05-30 |
| 5345621 | Method of insulating a spa using a flexible insulation blanket | — | 1994-09-13 |
| D332847 | Trash can enclosure | — | 1993-01-26 |
| 4642380 | Purification of methacrylamidopropyltrimethylammonium chloride | — | 1987-02-10 |
| 4565889 | Process for the production of N-(3-dimethylaminopropyl)methacrylamide | Edward E. McEntire, Edward C. Y. Nieh | 1986-01-21 |
| 4492801 | Production of N-substituted (meth)acrylamides from (meth)acrylates and amines over a metal alkoxide catalyst | Edward E. McEntire, Kathy B. Sellstrom, Edward C. Y. Nieh | 1985-01-08 |
| 4251461 | Process for reducing acid impurity levels in N-(tertiaryaminoalkyl)acrylamide production | — | 1981-02-17 |