Roberts; David Alan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Roberts; David Alan.The latest application filed is for "intrusion detection using a conductive material".
- Roberts; David Alan - Meridian ID
- Roberts; David Alan - Essex GB
- Roberts; David Alan - Ongar GB2
| Patent | Date |
|---|---|
| Intrusion detection using a conductive material Grant 8,004,419 - Thornley , et al. August 23, 2 | 2011-08-23 |
| Intrusion detection using a conductive material App 20100182020 - Thornley; Randal Quincy ; et al. | 2010-07-22 |
| Intrusion detection using a conductive material Grant 7,710,286 - Thornley , et al. May 4, 2 | 2010-05-04 |
| Derivatives of N-phenylpyrazoles Grant 5,916,618 - Hatton , et al. June 29, 1 | 1999-06-29 |
| Herbicidal 4-substituted isoxazol Grant 5,747,424 - Roberts , et al. May 5, 1 | 1998-05-05 |
| Derivatives of N-phenylpyrazoles Grant 5,714,191 - Hatton , et al. February 3, 1 | 1998-02-03 |
| Herbicidal 4-substituted isoxazoles Grant 5,656,573 - Roberts , et al. August 12, 1 | 1997-08-12 |
| Intermediates to herbicidal 4-substituted isoxazoles Grant 5,650,533 - Roberts , et al. July 22, 1 | 1997-07-22 |
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