Williams; Paul B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Williams; Paul B..The latest application filed is for "portable room air purifier with horizontal grid one-piece cover and shroud".
- Williams; Paul B. - Mercersburg PA
- Williams; Paul B. - Lombard IL
| Patent | Date |
|---|---|
| Portable room air purifier with flush vertical grid one-piece cover and shroud Grant D365,388 - Williams December 19, 1 | 1995-12-19 |
| Portable room air purifier with horizontal grid one-piece cover and shroud Grant D365,389 - Williams December 19, 1 | 1995-12-19 |
| Analog-to-digital converter having programmable dynamic range Grant 4,644,323 - Chamran , et al. February 17, 1 | 1987-02-17 |
| Filter indexing for spectrophotometer system Grant 4,342,516 - Chamran , et al. August 3, 1 | 1982-08-03 |
| Safe memory system for a spectrophotometer Grant 4,322,807 - Chamran , et al. March 30, 1 | 1982-03-30 |
| Manual wavelength adjustment for a microprocessor based spectrophotometer Grant 4,318,616 - Chamran , et al. March 9, 1 | 1982-03-09 |
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