John W. Shaffer

Person

Williamsport, PA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Amalgam retainer
- Patent number 6,849,998
- Issue date Feb 1, 2005
- Osram Sylvania Inc.
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Cathode coating for thermionic arc discharge lamp cathodes
- Patent number 6,603,250
- Issue date Aug 5, 2003
- Osram Sylvania Inc.
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Low-pressure mercury-vapor discharge lamp, and method of placing me...
- Patent number 5,757,129
- Issue date May 26, 1998
- Patent-Treuhand-Gesellschaft Fuer Elektrische Gluehlampen mbH
- Hubert Schafnitzel
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Starting flag structure for tubular low pressure discharge lamps
- Patent number 5,717,290
- Issue date Feb 10, 1998
- Osram Sylvania Inc.
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp with end of life arc quenching structure
- Patent number 5,705,887
- Issue date Jan 6, 1998
- Osram Sylvania Inc.
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Starting flag for use in mercury discharge lamp and lamp employing...
- Patent number 5,698,943
- Issue date Dec 16, 1997
- Osram Sylvania Inc.
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp with end of life arc quenching structure
- Patent number 5,585,693
- Issue date Dec 17, 1996
- Osram Sylvania Inc.
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for recrystallization of tungsten filaments for incandescent...
- Patent number 5,580,290
- Issue date Dec 3, 1996
- Osram Sylvania Inc.
- Galina Zilberstein
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Negative glow discharge lamp having improved color stability and en...
- Patent number 5,432,403
- Issue date Jul 11, 1995
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Fluorescent lamp
- Patent number D334244
- Issue date Mar 23, 1993
- GTE Products Corporation
- John W. Shaffer
- D26 - Lighting
Information Patent Grant
Two contact, AC-operated negative glow fluorescent lamp
- Patent number 5,049,785
- Issue date Sep 17, 1991
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Light-diffusing coating for a glass electric lamp bulb
- Patent number 5,036,244
- Issue date Jul 30, 1991
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method of constructing an electric lamp using carbon monoxide as a...
- Patent number 5,022,880
- Issue date Jun 11, 1991
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Negative glow fluorescent lamp having discharge barrier
- Patent number 5,006,762
- Issue date Apr 9, 1991
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Glow discharge starter
- Patent number 5,001,391
- Issue date Mar 19, 1991
- GTE Products Corporation
- Michael R. Kling
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Incandescent lamps including a combined getter
- Patent number 4,927,398
- Issue date May 22, 1990
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Incandescent lamps including a combined getter
- Patent number 4,923,424
- Issue date May 8, 1990
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Lead-in wire for compact fluorescent lamps
- Patent number 4,908,546
- Issue date Mar 13, 1990
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Getter for incandescent lamps
- Patent number 4,898,558
- Issue date Feb 6, 1990
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Method for gettering incandescent lamps
- Patent number 4,810,221
- Issue date Mar 7, 1989
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Silk-screenable circuit paste
- Patent number 4,765,929
- Issue date Aug 23, 1988
- GTE Products Corporation
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Grant
Flashed-lamp indicator
- Patent number 4,717,336
- Issue date Jan 5, 1988
- GTE Products Corporation
- John W. Shaffer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Primer material and photoflash lamp
- Patent number 4,696,641
- Issue date Sep 29, 1987
- GTE Products Corporation
- John W. Shaffer
- F21 - LIGHTING
Information Patent Grant
Multilamp photoflash device with improved coating
- Patent number 4,664,622
- Issue date May 12, 1987
- GTE Products Corporation
- Boyd G. Brower
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Stabilized silver compound switch
- Patent number 4,661,058
- Issue date Apr 28, 1987
- GTE Products Corporation
- John W. Shaffer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Aluminum hydroxide stabilized switch
- Patent number 4,659,307
- Issue date Apr 21, 1987
- GTE Products Corporation
- John W. Shaffer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Glow discharge starter containing thorium for improving dark starting
- Patent number 4,646,049
- Issue date Feb 24, 1987
- GTE Products Corporation
- Michael R. Kling
- H05 - ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Primer insulating base
- Patent number 4,614,494
- Issue date Sep 30, 1986
- GTE Products Corporation
- John W. Shaffer
- F21 - LIGHTING
Information Patent Grant
Prismatic sympathetic flash barriers
- Patent number 4,581,682
- Issue date Apr 8, 1986
- GTE Products Corporation
- John W. Shaffer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Circuit breaker by-pass element
- Patent number 4,528,479
- Issue date Jul 9, 1985
- GTE Products Corporation
- Robert P. Bonazoli
- H01 - BASIC ELECTRIC ELEMENTS

Patents Applicationslast 30 patents

Information Patent Application
Method and paste for joiningcut surfaces of ferrite cores for fluor...
- Publication number 20030062851
- Publication date Apr 3, 2003
- OSRAM SYLVANIA Inc.
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Cathode coating for thermionic arc discharge lamp cathodes
- Publication number 20030048058
- Publication date Mar 13, 2003
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS
Information Patent Application
Amalgam retainer
- Publication number 20020070661
- Publication date Jun 13, 2002
- John W. Shaffer
- H01 - BASIC ELECTRIC ELEMENTS

John W. Shaffer

Person

Patents Grantslast 30 patents

Amalgam retainer

Cathode coating for thermionic arc discharge lamp cathodes

Low-pressure mercury-vapor discharge lamp, and method of placing me...

Starting flag structure for tubular low pressure discharge lamps

Fluorescent lamp with end of life arc quenching structure

Starting flag for use in mercury discharge lamp and lamp employing...

Fluorescent lamp with end of life arc quenching structure

Method for recrystallization of tungsten filaments for incandescent...

Negative glow discharge lamp having improved color stability and en...

Fluorescent lamp

Two contact, AC-operated negative glow fluorescent lamp

Light-diffusing coating for a glass electric lamp bulb

Method of constructing an electric lamp using carbon monoxide as a...

Negative glow fluorescent lamp having discharge barrier

Glow discharge starter

Incandescent lamps including a combined getter

Incandescent lamps including a combined getter

Lead-in wire for compact fluorescent lamps

Getter for incandescent lamps

Method for gettering incandescent lamps

Silk-screenable circuit paste

Flashed-lamp indicator

Primer material and photoflash lamp

Multilamp photoflash device with improved coating

Stabilized silver compound switch

Aluminum hydroxide stabilized switch

Glow discharge starter containing thorium for improving dark starting

Primer insulating base

Prismatic sympathetic flash barriers

Circuit breaker by-pass element

Patents Applicationslast 30 patents

Method and paste for joiningcut surfaces of ferrite cores for fluor...

Cathode coating for thermionic arc discharge lamp cathodes

Amalgam retainer