John M. Mayfield Jr.

Person

Ukiah, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Vehicle mounted fluid delivery system with retractable arm
- Patent number 6,021,959
- Issue date Feb 8, 2000
- MotivePower Investments Limited
- John M. Mayfield
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Vehicle mounted fluid delivery system with retractable arm
- Patent number 6,010,079
- Issue date Jan 4, 2000
- MotivePower Investments Limited
- John M. Mayfield
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Flush toilet and method
- Patent number 5,245,710
- Issue date Sep 21, 1993
- Microphor, Inc.
- Vernon W. Haselswerdt
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Electrically operated toilet
- Patent number 4,918,764
- Issue date Apr 24, 1990
- Microphor, Inc.
- Vernon W. Haselswerdt
- E03 - WATER SUPPLY SEWERAGE
Information Patent Grant
Temperature controlled valve mechanism and method
- Patent number 4,508,132
- Issue date Apr 2, 1985
- Microphor, Inc.
- John M. Mayfield
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Apparatus for maintaining a diesel engine in restarting condition
- Patent number 4,424,775
- Issue date Jan 10, 1984
- Microphor, Inc.
- John M. Mayfield
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Temperature controlled valve mechanism and method
- Patent number 4,356,833
- Issue date Nov 2, 1982
- Microphor, Inc.
- John M. Mayfield
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...

John M. Mayfield Jr.

Person

Patents Grantslast 30 patents

Vehicle mounted fluid delivery system with retractable arm

Vehicle mounted fluid delivery system with retractable arm

Flush toilet and method

Electrically operated toilet

Temperature controlled valve mechanism and method

Apparatus for maintaining a diesel engine in restarting condition

Temperature controlled valve mechanism and method