Sirvio; Larry M.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sirvio; Larry M..The latest application filed is for "process for modifying surfaces using the reaction product of a water-insoluble polymer and a polyalkylene imine".
- Sirvio; Larry M. - Cottage Grove MN
| Patent | Date |
|---|---|
| Process for modifying surfaces using the reaction product of a water-insoluble polymer and a polyalkylene imine Grant 6,146,771 - Wirt , et al. November 14, 2 | 2000-11-14 |
| Process for modifying surfaces Grant 5,532,311 - Sirvio , et al. July 2, 1 | 1996-07-02 |
| Device and method for extended delivery of pharmacologically active agents to the ear Grant 5,350,580 - Muchow , et al. September 27, 1 | 1994-09-27 |
| Topical medicament preparations Grant 4,411,893 - Johnson , et al. October 25, 1 | 1983-10-25 |
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