Hedrick; Steven T.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Hedrick; Steven T..The latest application filed is for "aqueous colloidal dispersions of sulfonated polyurethane ureas and products".
- Hedrick; Steven T. - Lake Elmo MN
- Hedrick; Steven T. - Cottage Grove MN
- Hedrick; Steven T. - Maplewood MN
| Patent | Date |
|---|---|
| Aqueous colloidal dispersions of sulfonated polyurethane ureas and products Grant 6,649,727 - Anderson , et al. November 18, 2 | 2003-11-18 |
| Ink jet ink containing polyurethane dispersant Grant 6,136,890 - Carlson , et al. October 24, 2 | 2000-10-24 |
| Adhesive tape having antistatic properties Grant 5,637,368 - Cadalbert , et al. June 10, 1 | 1997-06-10 |
| Sulfopolymer/vanadium oxide antistatic compositions Grant 5,427,835 - Morrison , et al. * June 27, 1 | 1995-06-27 |
| Abrasive article having vanadium oxide incorporated therein Grant 5,203,884 - Buchanan , et al. April 20, 1 | 1993-04-20 |
| Hydrophilic polyurethane/polyurea sponge Grant 4,738,992 - Larson , et al. * April 19, 1 | 1988-04-19 |
| Hydrophilic polyurethane/polyurea sponge Grant 4,638,017 - Larson , et al. January 20, 1 | 1987-01-20 |
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