John G. Willis

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Chelmsford, MA, US

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Patents Grantslast 30 patents

Information Patent Grant
System for continuously replenishing melt
- Patent number 4,968,380
- Issue date Nov 6, 1990
- Mobil Solar Energy Corporation
- Gary M. Freedman
- C30 - CRYSTAL GROWTH
Information Patent Grant
Method for electrically interconnecting solar cells
- Patent number 4,617,722
- Issue date Oct 21, 1986
- Mobil Solar Energy Corporation
- John G. Willis
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electro-pneumatic assembly device
- Patent number 4,507,707
- Issue date Mar 26, 1985
- John G. Willis
- F15 - FLUID-PRESSURE ACTUATORS HYDRAULICS OR PNEUMATICS IN GENERAL
Information Patent Grant
Electronic-pneumatic circuit board coupling
- Patent number 4,445,536
- Issue date May 1, 1984
- Linear Dynamics, Inc.
- John G. Willis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information Patent Grant
Proportional solenoid valve and connector
- Patent number 4,245,815
- Issue date Jan 20, 1981
- Linear Dynamics, Inc.
- John G. Willis
- F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...