Inventor

John G. Ruhland

Inventor

Rochester, NY, US

Overview

1976–2003

Patent span

Physics

Primary field (CPC G)

Patents· 11 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G03Gprimary

G03GElectrography69%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests31%

PatentTitleYear

6,503,677'Emulsion aggregation toner particles coated with negatively chargeable and positively chargeable additives and method of making same'2003 6,087,059'Toner and developer compositions'2000 D0358205'Grill for a vent'1995 D0341653'Automatic climate control unit for mounting on automobile dashboards or floors'1993 5,102,755'Magnetic image character recognition processes'1992 4,935,324'Imaging processes with cold pressure fixable toner compositions'1990 4,877,707'Imaging processes with cold pressure fixable toner compositions'1989 4,810,610'Conductive single component cold pressure fixable magnetic toner compositions'1989 4,619,517'Development apparatus'1986 4,000,957'Contact fuser and release agent applicator therefor'1977 3,937,637'Roll contact fuser'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–2003Patents assigned to XEROX CORP (9)· patent assignee history

1976–2003Based in Rochester, NY, US· patent location history

1977Based in Penfield, NY, US· patent location history

1993Patents assigned to INTERDYNAMICS INC (1)· patent assignee history

1993Based in Ridgefield, CT, US· patent location history

1995Patents assigned to OTTAWA MOULD CRAFT LTD (1)· patent assignee history

1995Based in Cumberland, CA· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
XEROX CORP	9	1976–2003
INTERDYNAMICS INC	1	1993
OTTAWA MOULD CRAFT LTD	1	1995

Locations

Location	Patents	Span
Rochester, New York, US	8	1976–2003
Cumberland, CA	1	1995
Ridgefield, CT, US	1	1993
Penfield, New York, US	1	1977