Simms; Barbara L.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Simms; Barbara L..The latest application filed is for "process for production of high purity silica gel".
- Simms; Barbara L. - North White Plains NY
| Patent | Date |
|---|---|
| Process for production of high purity silica gel Grant 5,017,354 - Simms , et al. May 21, 1 | 1991-05-21 |
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