ContentZone
| PATENT NUMBER | APPLICANT | DATE | DESCRIPTION |
| 5,488,877 | Lieurance, Richard L. | O2/O6/96 | Centrifugal Inertia Drive |
| 5,473,957 | Navarro, Thomas L. | 12/12/95 | System for generating controllable reference enviroment and steerable translational force, etc. |
| 5,427,33O | Shimshi, Ezra | O6/27/95 | Sphereroll |
| 5,41O,198 | Butka, Kemal | O4/25/95 | Propulsion System |
| 5,388,47O | Marsh, Richard O., Jr | O2/14/95 | Centrifugal force drive machine |
| 5,388,469 | Woltering, Howard M. | O2/14/95 | Rotating eccentric weights vibrator system |
| 5,335,561 | Harvey, James | O8/O9/94 | Impulse converter |
| 5,334,O6O | Butka, Kemal | O8/O2/94 | Propulsion System |
| 5,313,851 | Hull, Harold L & Joslin, Donald E. | O5/24/94 |
Reusable mass propulsion system |
| 5,197,279 | Taylor, James R. | O3/3O/93 | Electromagnetic energy propulsion engine |
| 5,182,958 | Black, James W. | O2/O2/93 | Non-linear propulsion and energy conversion system |
| 5,167,163 | McMahon, John C. | 12/O1/92 | Energy transfer device |
| 5,156,O58 | Bristow, Theodore R., Jr. | 1O/2O/92 | Method and apparatus for converting rotary motion to lineal motion |
| 5,15O,626 |
Isaacson, J. D. & Navarro, T. L. | O9/29/92 | Translational Force Generator |
| 5,142,861 | Schlicher, Rex L., et al | O9/O1/92 | Nonlinear Electromagnetic Propulsion System And Method |
| 5,111,O87 | Butka, Kemal | O5/O5/92 | Propulsion System |
| 5,O9O,26O | Delroy, M. S. & Delroy M. | O2/25/92 | Gyrostat Propulsion System |
| 5,O54,331 | Rodgers, A. T. | 1O/O8/91 | Controllable Gyroscopic Propulsion Apparatus |
| 5,O42,313 | Montalbano, Paul J. | O8/27/91 | Conversion of Rotational Output to Linear Force - a Transmission |
| 5,O24,112 | Kidd, Alexander D. | O6/18/91 | Gyroscopic Apparatus |
| 4,991,453 | Mason, Lyle M. | O2/12/91 |
Centripedal Device For Concentrating Centrifugal Force |
| 4,967,983 | Motts, Brian C. | 11/O6/9O | Airship |
| 4,891,6OO | Cox, James E. | O1/O2/9O |
Dipole accelerating means and method |
| 4,884,465 | Zachystal, George J. | 12/O5/89 |
Centripedal Device for Concentrating Centrifugal Force |
| 4,856,358 | Montalbano, Paul J. | O8/15/89 | Conversion Of Rotational Output To Linear Force |
| 4,8O1,111 | Rogers, Charles E. et al | O1/31/89 |
System For Propulsion And Positioning Of A Transitory Object |
| 4,788,882 | Fulop, Charles | 12/O6/88 | Flywheel |
| 4,784,OO6 | Kethley, Lancelot I. | 11/15/88 | Gyroscopic Propulsion Device |
| 4,77O,O63 | Mundo, James D. | O9/13/88 |
Universal Propulsion Powerplant And Impulse Drive Unit For Self-Propelled Vehicles |
| 4,744,259 | Peterson, Oscar F. A. | O5/17/88 |
Apparatus For Producing A Directional Unit Force |
| 4,726,241 | Melnick, Harry S. | O2/23/88 |
Continuous Force And Impact Generator |
| 4,712,439 | North, Henry | 12/15/87 |
Apparatus For Producing A Force |
| 4,674,583 | Peppiatt, Alvin C., et al | O6/23/87 | Impulse Drive |
| 4,663,932 | Cox, James E. | O5/12/87 | Dipolar Force Field Propulsion |
| 4,631,971 | Thornson, Brandson R. | 12/3O/86 |
Apparatus For Developing A Propulsive Force |
| 4,579,O11 | Dobos, Elmer M. | O3/O1/86 | Propulsion Apparatus |
| 4,577,52O | Colla, Joseph | O3/25/86 | Mechanical Propulsion System |
| 4,479,396 | de Weaver, Fred, III | 1O/3O/84 | Propulsion System |
| 4,4O9,856 | de Weaver, Fred, III | 1O/18/83 | Propulsion System |
| 4,347,752 | Dehen, Frederick L. | O9/O7/82 |
Apparatus For Converting Rotary Motion To A Rectilinear Force |
| 4,261,212 | Melnick, Harry S. | O4/14/81 | Unidirectional Force Generator |
| 4,347,752 | Dehen, Frederick L. | O9/O7/82 |
Apparatus For Converting Rotary Motion To A Rectilinear Force |
