| Patent Number | Date Of Issue | Title of Invention | Inventors |
|---|---|---|---|
| 4,244,053 | 01/05/1981 | Privacy Communication Method & System | Paul E. Martin; Marvin R. Clinch; Calvin R. Graf; Robert B. Fenwick |
| 4,221,597 | 09/08/1980 | Additive for Improved Performance of Silicate Cement | William A. Mallow |
| 4,216,476 | 08/04/1980 | Digital Electronic Commutator for Radio Direction Finding System | Richard Lorenz; Paul E. Martin |
| 4,210,103 | 06/30/1980 | Fuel System for and a Method of Operating a Spark-Ignited Internal Combustion Engine | Edward Dimitroff; John A. Vitkovits |
| 4,207,572 | 06/09/1980 | Skywave DF Antenna System | Jackie E. Hipp; Douglas N. Travers; Terence C. Green; William M. Sherrill; Richard L. Johnson |
| 4,197,478 | 04/07/1980 | Electronically Tunable Resonant Accelerometer | Howard S. Silvus |
| 4,194,574 | 03/24/1980 | Draft Power Sensor & Method for Improving Performance in Earth-Moving Equipment | Harvey S. Benson; Charles D. Wood |
| 4,181,943 | 12/31/1979 | Speed Control Device for Trains | Lloyd I. Mercer, Sr.; Steven B. Hugg |
| 4,173,455 | 11/05/1979 | Fire-Safe Hydrocarbon Fuels | George E. Fodor; William D. Weatherford; Bernard R. Wright |
| 4,168,860 | 09/24/1979 | Multi-Purpose Convertible Seat Construction | Luis R. Garza; William J. Astleford |
Advanced science. Applied technology.
