Graham D. Walter

Person

Peterborough, NH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Print head pressure adjustment mechanism
- Patent number 5,448,281
- Issue date Sep 5, 1995
- Markem Corporation
- Graham D. Walter
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Multi-color thermal transfer printer with arcuate print head arrang...
- Patent number 5,379,056
- Issue date Jan 3, 1995
- Markem Corporation
- Graham D. Walter
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Offset electrostatic imaging process
- Patent number 4,864,331
- Issue date Sep 5, 1989
- Markem Corporation
- Alan H. Boyer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic printing utilizing a heated air flow
- Patent number 4,809,026
- Issue date Feb 28, 1989
- Markem Corporation
- Alan H. Boyer
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Offset electrostatic printing utilizing a heated air flow
- Patent number 4,809,027
- Issue date Feb 28, 1989
- Markem Corporation
- Alan H. Boyer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic printing utilizing dehumidified air
- Patent number 4,772,901
- Issue date Sep 20, 1988
- Markem Corporation
- Alan H. Boyer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Grant
Electrostatic printer utilizing dehumidified air
- Patent number 4,734,721
- Issue date Mar 29, 1988
- Markem Corporation
- Alan H. Boyer
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY

Graham D. Walter

Person

Patents Grantslast 30 patents

Print head pressure adjustment mechanism

Multi-color thermal transfer printer with arcuate print head arrang...

Offset electrostatic imaging process

Electrostatic printing utilizing a heated air flow

Offset electrostatic printing utilizing a heated air flow

Electrostatic printing utilizing dehumidified air

Electrostatic printer utilizing dehumidified air