DR

Donald L. Roberts

RT R.J. Reynolds Tobacco: 10 patents #65 of 746Top 9%
TR Traptec: 5 patents #2 of 4Top 50%
RC Rca: 1 patents #895 of 1,739Top 55%
📍 Conestoga, PA: #2 of 14 inventorsTop 15%
🗺 Pennsylvania: #3,636 of 74,527 inventorsTop 5%
Overall (All Time): #241,917 of 4,157,543Top 6%
19
Patents All Time

Issued Patents All Time

Showing 1–19 of 19 patents

Patent #TitleCo-InventorsDate
7064664 Graffiti detection system and method of using the same George H. Lerg, Arthur J. Devine, Randy Johnson 2006-06-20
6961002 Sonic detection system and method of using the same George H. Lerg, Arthur J. Devine 2005-11-01
6632168 Magnetic therapeutic device and method of use Arthur J. Devine, Larry R. Haase 2003-10-14
6600417 Graffiti detection system and method of using the same George H. Lerg, Arthur J. Devine, Randy Johnson 2003-07-29
6288643 Graffiti detection system and method of using the same George H. Lerg, Arthur J. Devine, Randy Johnson 2001-09-11
6281787 Vehicle tire leak detection system and method of using the same George H. Lerg, Arthur J. Devine, Randy Johnson 2001-08-28
6281792 Firearm shot detection system and method of using the same George H. Lerg, Arthur J. Devine, Randy Johnson 2001-08-28
4986286 Tobacco treatment process Carmen Cerecedo Fernandez 1991-01-22
4949736 Variable ventilation mouthpiece for a smoking article David W. Boldridge 1990-08-21
4947874 Smoking articles utilizing electrical energy Johnny L. Brooks, Jerry S. Simmons 1990-08-14
4947875 Flavor delivery articles utilizing electrical energy Johnny L. Brooks, Jerry S. Simmons 1990-08-14
4922901 Drug delivery articles utilizing electrical energy Johnny L. Brooks, Jerry S. Simmons 1990-05-08
4867182 Temperature/humidity controlled valve for a smoking article David W. Boldridge 1989-09-19
4819665 Aerosol delivery article Carl C. Morrison, Johnny L. Brooks, Evon Llewellyn Crooks, Bradley J. Ingebrethsen 1989-04-11
4735636 Nucleation separator for flue gas 1988-04-05
4729391 Microporous materials in cigarette filter construction Donna K. Woods 1988-03-08
4643205 Smoking product Jerry W. Redding, Donna K. Woods 1987-02-17
4638820 Puff control cigarette Anthony L. Angel, Douglas C. Clark, Jack F. Clearman, T. Stephen Sink 1987-01-27
4293792 Color picture tube having improved slit type shadow mask 1981-10-06