Roof; Lewis B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roof; Lewis B..The latest application filed is for "high temperature sampling system for liquid chromatography".
- Roof; Lewis B. - Bartlesville OK
| Patent | Date |
|---|---|
| High temperature sampling system for liquid chromatography Grant 4,271,703 - Roof June 9, 1 | 1981-06-09 |
| Liquid sample dilution system Grant 4,186,607 - Porter , et al. February 5, 1 | 1980-02-05 |
| Sample dilution Grant 4,036,063 - Roof , et al. July 19, 1 | 1977-07-19 |
| Chromatographic analysis Grant 4,007,626 - Roof , et al. February 15, 1 | 1977-02-15 |
| Fluid detecting system Grant 3,981,179 - Roof September 21, 1 | 1976-09-21 |
| Acid and alcohol carrier for HF-H.sub.2 O chromatographic separation using anion exchange resin Grant 3,935,097 - Roof January 27, 1 | 1976-01-27 |
| Multipositional Selector Valve Grant 3,868,970 - Ayers , et al. March 4, 1 | 1975-03-04 |
| Acoustical Detecting Apparatus Grant 3,762,197 - Roof , et al. October 2, 1 | 1973-10-02 |
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