Barnes; Elwood E.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Barnes; Elwood E..The latest application filed is for "systems and methods for measurement of tire pressure".
- Barnes; Elwood E. - Cochranville PA
- Barnes; Elwood E. - Parkesburg PA
| Patent | Date |
|---|---|
| Systems and methods for measurement of tire pressure Grant 6,823,728 - Barnes November 30, 2 | 2004-11-30 |
| Light intensity reduction apparatus and method Grant 5,841,507 - Barnes Nov | 1998-11-24 |
| Light intensity reduction apparatus and method Grant 5,671,035 - Barnes September 23, 1 | 1997-09-23 |
| Horizontal magnetoresistive head apparatus and method for detecting magnetic data Grant 5,358,088 - Barnes , et al. October 25, 1 | 1994-10-25 |
| Method and apparatus for a low-power, battery-powered vending and dispensing apparatus Grant 5,316,124 - Barnes , et al. May 31, 1 | 1994-05-31 |
| Method and apparatus for currency validation Grant 4,628,194 - Dobbins , et al. December 9, 1 | 1986-12-09 |
| Coin presence sensing apparatus Grant 4,460,003 - Barnes , et al. July 17, 1 | 1984-07-17 |
| Low frequency phase shift coin examination method and apparatus Grant 4,398,626 - Barnes August 16, 1 | 1983-08-16 |
| Vending machine accountability system Grant 4,272,757 - McLaughlin , et al. June 9, 1 | 1981-06-09 |
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