Antistatic Conductive Grid Pattern with Integral Logo
w/ P. Aylward, D. Majumdar, B. Fitzgerald

US Patent 7,255,912 - visible antistatic layer
incorporates graphic design or logo

2007

Process for the Deposition of Uniform Layer of Particulate Material w/ R. Mehta, R. Jagannathan, S. Jagannathan,
K. Pond, B. Houghtaling

US Patent 7,223,445 - charging and deposition
of nanoparticles

2007

Antistat Layer for Electrically Modulated Display
w/ P. Aylward, D. Majumdar, H. Yau, W. Durkin,
D. Bigelow, D. Slater

US Patent 7,087,351 - antistat layer improves static protection of a flexible electronic display

2006

Transparent Invisible Conductive Grid w/ P. Aylward,
D. Majumdar, R. Daly, B. Fitzgerald, P. Christian

US Patent 7,083,885 - transparent conductive material coated in a grid pattern improves static performance

2006

Conductive Foam Core Imaging Member w/ D. Majumdar, N. Dontula, S. Sunderrajan, P. Aylward, M. Kestner

US Patent 6,566,033 - use of electrically conductive, closed cell foam in sheets for printed images

2003

Developer Flow Rate Regulation for an Electrophotographic Toning Roller w/ A. Lucas, T. Hilbert

US Patent 5,227,848 - improved developer flow rate regulation using an eccentric toning roller

1993

Xeroprinting Using a Corona Charge Injection
Modifying Material w/ W. Mey, J. May, W. Gruenbaum,
S. Riblett, O. Rodenberg

US Patent 5,101,216 - multiple copies using charge injection properties of toner particles

1992

Replaceable Developer Station Having Indicator for Determining Whether Developer Station is Used or New
w/ K. Arnold, L. Hill

US Patent 5,043,764 - detection of previously used
toning station

1991

Bar Magnet for Construction of a Magnetic Roller Core
w/ J. K. Lee, D. McJury, M. Pickup

US Patent 5,019,796 - improved magnetization pattern for magnets used to make magnetic toning rollers

1991

Developer Mix Monitoring for Replacable
Developer Stations
w/ K. Arnold, W. Chang

US Patent 4,956,668 - toner monitor automatically calibrates to a new station

1990

Multiple Xeroprinted Copies from a single exposure
using photosensitive film buffer element
w/ W. Gruenbaum, W. Mey

US Patent 4,898,797 - insulating layer improves sharpness for xeroprinting, multiple copies from one exposure

1990

Electrographic Magnetic Brush Development Apparatus
and System
w/ B. Steele, A. Rushing

US Patent 4,714,046 - eccentric magnetic toning roller reduces core drive torque and extends developer life

1987

Electrophotographic Development Apparatus
w/ R. Weitzel, A. Kroll

US Patent 4,570,572 - toning station cooling method

1986