Advanced science.  Applied technology.



Patent Number Date Of Issue Title of Invention Inventors
3,572,273 03/22/1971 Apparatus for Breaking a Layer of Ice on a Body of Water by Repetitive Combustive Explosions

Charles D. Wood

3,574,404 04/11/1971 Digging Apparatus

Thomas J. Hogan

3,578,417 05/10/1971 Vaporizing Sulfur from Ore by Direct Contact with Heated Pebbles

John M. Dale

3,581,077 05/24/1971 Electrical Analog Model for Fluid Flow Transmission System

Glenn Damewood; Cecil R. Sparks; James D. King

3,585,577 06/14/1971 Ultrasonic Transceiver

William L. Rollwitz; Harvey S. Benson

3,596,262 07/26/1971 Telemetry Measuring Apparatus

William L. Rollwitz; Harvey S. Benson

3,600,116 08/16/1971 Air-Control System for Apparatus Displacing Material by Combustive Explosions

John M. Clark; Allan R. Nye; Charles D. Wood

3,608,990 09/27/1971 Container Having Internal Object Support Means & Pivoted Top Section

Ethelbert J. Baker; William H. Arlitt

3,609,978 10/04/1971 Method of Remotely Constructing a Room

Jarvis D. Michie; Robert C. DeHart

3,612,986 10/11/1971 Sensing Apparatus for Use with Magnetoabsorption Apparatus Using Semicylindrical Coils

William L. Rollwitz; John P. Classen