Johnston; Roger G.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Johnston; Roger G..The latest application filed is for "counterfeit detection".
- Johnston; Roger G. - Los Alamos NM
| Patent | Date |
|---|---|
| Counterfeit detection App 20070198569 - Johnston; Roger G. | 2007-08-23 |
| Magnetic vector field tag and seal Grant 6,784,796 - Johnston , et al. August 31, 2 | 2004-08-31 |
| Tamper-indicating device having a glass body Grant 6,553,930 - Johnston , et al. April 29, 2 | 2003-04-29 |
| Magnetic vector field tag and seal App 20020171547 - Johnston, Roger G. ; et al. | 2002-11-21 |
| Fluid sampling tool Grant 5,907,110 - Garcia , et al. May 25, 1 | 1999-05-25 |
| Method for establishing the presence of salmonella bacteria in eggs Grant 5,426,977 - Johnston , et al. June 27, 1 | 1995-06-27 |
| Interferometric apparatus and method for detection and characterization of particles using light scattered therefrom Grant 4,764,013 - Johnston August 16, 1 | 1988-08-16 |
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