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Dive into the research topics where Roger G. Markham is active.

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Featured researches published by Roger G. Markham.


Archive | 1986

THERMAL INK JET PRINTHEAD

Peter A. Torpey; Roger G. Markham


Archive | 1995

Hybrid ink jet printer

William G. Hawkins; Ivan Rezanka; Roger G. Markham; Dale R. Ims; Donald J. Drake


Archive | 1992

Color spatial filtering for thermal ink jet printers

James C. Stoffel; Roger G. Markham


Archive | 1990

Clean printhead cleaner

Roger G. Markham


Archive | 1986

Printhead for an ink jet printer

Donald J. Drake; William G. Hawkins; Roger G. Markham; Richard V. LaDonna


Archive | 1981

Linear ink jet deflection method and apparatus

Roger G. Markham


Archive | 1999

Dual sensor encoder to counter eccentricity errors

Roger G. Markham; Anthony E. Audi; Kristin Anne Hughes


Archive | 1997

Method of making an ink jet printhead filter by laser ablation

Roger G. Markham; John R. Andrews; Gary A. Kneezel


Archive | 1999

Paper driven rotary encoder that compensates for nip-to-nip handoff error

Eric A. Merz; Roger G. Teumer; Frederick A. Donahue; W. Keith Gilliland; Roger G. Markham


Archive | 1988

Bubble jet printing device with improved printhead heat control

Narayan V. Deshpande; Dale R. Ims; Herman A. Hermanson; Gary A. Kneezel; Roger G. Markham

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