William J. Lichtenberger

Person

Murrysville, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Burner control device and electrical switch unit assembly, parts th...
- Patent number 5,017,745
- Issue date May 21, 1991
- Robertshaw Controls Company
- William J. Lichtenberger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of making a cyclable electrical switch construction
- Patent number 4,993,144
- Issue date Feb 19, 1991
- Robertshaw Controls Company
- David T. Llewellyn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Switching system for plural load circuit
- Patent number 4,883,983
- Issue date Nov 28, 1989
- Robertshaw Controls Company
- David T. Llewellyn
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Burner control device and electrical switch unit assembly, parts th...
- Patent number 4,843,198
- Issue date Jun 27, 1989
- Robertshaw Controls Company
- William J. Lichtenberger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Vital movable electricl contact arrangement
- Patent number 4,180,715
- Issue date Dec 25, 1979
- Westinghouse Air Brake Company
- William J. Lichtenberger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Electromagnetic structure for a vital relay
- Patent number 4,177,441
- Issue date Dec 4, 1979
- Westinghouse Air Brake Company
- William J. Lichtenberger
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Relay latching apparatus
- Patent number 4,174,508
- Issue date Nov 13, 1979
- Westinghouse Air Brake Company
- William J. Lichtenberger
- H01 - BASIC ELECTRIC ELEMENTS

William J. Lichtenberger

Person

Patents Grantslast 30 patents

Burner control device and electrical switch unit assembly, parts th...

Method of making a cyclable electrical switch construction

Switching system for plural load circuit

Burner control device and electrical switch unit assembly, parts th...

Vital movable electricl contact arrangement

Electromagnetic structure for a vital relay

Relay latching apparatus