3,926,169 - December 16, 1975 - COMBINED FUEL VAPOR INJECTOR AND IGNITER SYSTEM FOR INTERNAL COMBUSTION ENGINES

4,015,569 - April 5, 1977 - FUEL METERING AND VAPORIZING SYSTEM FOR INTERNAL COMBUSTION ENGINES

4,015,572 - April 5, 1977 - CHARGE FORMING SYSTEM FOR INTERNAL COMBUSTION ENGINES

4,064,748 - December 27, 1977 - POWER INDICATING MEANS AND METHOD FOR AN INTERNAL COMBUSTION ENGINE

4,232,643 - November 11, 1980 - CHARGE FORMING SYSTEM FOR MAINTAINING OPERATION OF AN INTERNAL COMBUSTION ENGINE AT ITS LEAN LIMIT

4,368,707 - January 8, 1983 - ADAPTIVE CHARGE FORMING SYSTEM FOR CONTROLLING THE AIR/FUEL MIXTURE SUPPLIED TO AN INTERNAL COMBUSTION ENGINES

4,588,373 - May 13, 1986 - CATALYTIC CAMPING STOVE

4,827,887 - May 9, 1989 - ADAPTIVE CHARGE MIXTURE CONTROL SYSTEM FOR INTERNAL COMBUSTION ENGINE

4,904,182 - February 27, 1990 - CATALYTIC BURNER WITH DUAL MODE VENTURIS

5,117,794 - June 2, 1992 - FUEL INJECTION SYSTEM

5,253,536 - October 19, 1993 - ROTARY FLOWMETER WITH VARIABLE INLET

5,251,601 - October 12, 1993 - LEAN BURN MIXTURE CONTROL SYSTEM

5,265,638 - November 30, 1993 - MAGNETO-PNEUMATIC INTERMITTENT SUCTION DEVICE

5,381,771 - January 17, 1995 - LEAN BURN MIXTURE CONTROL SYSTEM

6,931,120 - August 16, 2005 - TELEPHONE-COMPUTER INTERFACE

6,581,412 - June 24, 2003 - GAS DELIVERY AT HIGH FLOW RATES