Patents per Year
Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 9133296 | Polyurethane foam article | Elizabeth A. Sargent, David R. Dow, Grady A. Dunham, Jeffrey P. Lenzendorf | 2015-09-15 | $19,651,000 |
| 8784518 | Method of making polyurethane foam | Elizabeth Anna Benson-Sargent, David R. Dow, Grady A. Dunham, Jeffrey P. Lenzendorf | 2014-07-22 | $31,254,000 |
| 5512009 | Method and apparatus for attenuating optical chatter marks on a finished surface | — | 1996-04-30 | $9,004,000 |