Sangster; Arlon G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sangster; Arlon G..The latest application filed is for "electrolytic halogenator device".
- Sangster; Arlon G. - Sterling MA
- Sangster; Arlon G. - Worcester MA
| Patent | Date |
|---|---|
| Electrolytic halogenator device Grant 4,714,534 - Fair , et al. December 22, 1 | 1987-12-22 |
| Swimming pool chemical dispenser Grant D288,226 - Sangster , et al. February 10, 1 | 1987-02-10 |
| Swimming pool chemical dispenser or the like Grant D273,033 - Sangster , et al. March 13, 1 | 1984-03-13 |
| Swimming pool chemical dispenser or the like Grant D269,801 - Sangster , et al. July 19, 1 | 1983-07-19 |
| Swimming pool chemical dispenser or the like Grant D269,802 - Alexander , et al. July 19, 1 | 1983-07-19 |
| Water treatment chemical dispenser with control tube Grant 4,208,376 - Sangster , et al. June 17, 1 | 1980-06-17 |
| Telephone set attachment for note holding Grant 4,159,403 - Sangster June 26, 1 | 1979-06-26 |
| Child-resistant cover for containers Grant 4,032,035 - Tepas, Jr. , et al. June 28, 1 | 1977-06-28 |
| Hinge and detent mechanism Grant 3,916,479 - Parker , et al. November 4, 1 | 1975-11-04 |
| Dissolving Apparatus Grant 3,870,471 - Tepas, Jr. , et al. March 11, 1 | 1975-03-11 |
| Apparatus For Dissolving And Dispensing Soluble Solid Material Grant 3,860,394 - Tepas, Jr. , et al. January 14, 1 | 1975-01-14 |
| Anti-theft Device For Internal Combustion Engines Grant 3,834,484 - Sangster September 10, 1 | 1974-09-10 |
| Tape Program Control Grant 3,719,926 - Sangster , et al. March 6, 1 | 1973-03-06 |
| Photoelectric Tape Reader Having Read Head Disposed Above A Line Joining The Topmost Points Of Two Drive Sprockets Grant 3,691,372 - Sangster September 12, 1 | 1972-09-12 |
| Circuit For Multi-speed Two-phase Motor Grant 3,675,100 - McNamara , et al. July 4, 1 | 1972-07-04 |
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