Bull; Sandra L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Bull; Sandra L..The latest application filed is for "proteolytic enzyme cleaner".
- Bull; Sandra L. - Eagan MN
| Patent | Date |
|---|---|
| Proteolytic enzyme cleaner Grant 6,197,739 - Oakes , et al. March 6, 2 | 2001-03-06 |
| Proteolytic enzyme cleaner Grant 5,858,117 - Oakes , et al. January 12, 1 | 1999-01-12 |
| Solid concentrate iodine composition Grant 5,310,549 - Bull May 10, 1 | 1994-05-10 |
| Phosphate-free alkaline detergent for cleaning-in-place of food processing equipment Grant 4,935,065 - Bull June 19, 1 | 1990-06-19 |
| Low-phosphate liquid cleaning composition Grant 4,579,676 - Bull April 1, 1 | 1986-04-01 |
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