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Patent applications and USPTO patent grants for Hillegass; Donald V..The latest application filed is for "method for expanding a self-sealing tissue prosthesis".
Patent | Date |
---|---|
Method for expanding a self-sealing tissue prosthesis Grant 5,133,753 - Bark , et al. July 28, 1 | 1992-07-28 |
Tissue expander and method Grant 5,074,878 - Bark , et al. December 24, 1 | 1991-12-24 |
Self-sealing tissue expander and method Grant 5,066,303 - Bark , et al. November 19, 1 | 1991-11-19 |
Ureteral stent system Grant 4,874,360 - Goldberg , et al. October 17, 1 | 1989-10-17 |
Subcutaneous injection and withdrawal site Grant 4,817,637 - Hillegass , et al. April 4, 1 | 1989-04-04 |
Method of making polyurethane utilizing nickel acetylacetonate Grant 4,151,345 - Hillegass April 24, 1 | 1979-04-24 |
Preparation of polyurethane composite mold by injection molding Grant 4,131,667 - Lovell , et al. December 26, 1 | 1978-12-26 |
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