Johnston; William J.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnston; William J..The latest application filed is for "apparatus and method for protecting floating roof tanks from the effects of lightning strikes".
- Johnston; William J. - Concord CA
- Johnston; William J. - Flint MI
- Johnston; William J. - Birkdale GB2
| Patent | Date |
|---|---|
| Apparatus and method for protecting floating roof tanks from the effects of lightning strikes Grant 7,124,906 - Hamer , et al. October 24, 2 | 2006-10-24 |
| Apparatus and method for protecting floating roof tanks from the effects of lightning strikes App 20050098560 - Hamer, Paul ; et al. | 2005-05-12 |
| Method and apparatus for determining the rotational position of a magnetic rotor relative to current carrying coils utilizing magnetic coupling between coils Grant 5,489,842 - Lippmann , et al. February 6, 1 | 1996-02-06 |
| Ceramic filters for diesel exhaust particulates and methods for making Grant 4,364,761 - Berg , et al. December 21, 1 | 1982-12-21 |
| Optical Analog Display Device Grant 3,692,383 - Herod , et al. September 19, 1 | 1972-09-19 |
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