Inventor

John F. Oliver

Inventor
Calgary, CA

Overview

17→
Patents
1978–2006
Patent span
Physics
Primary field (CPC G)

Patents· 17 as inventor

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

G03Gprimary
G03GElectrography22%
C09DCoating compositions, e.g. paints, varnishes or lacquers19%
B41MPrinting, duplicating, marking, or copying processes11%
F24BDomestic stoves or ranges for solid fuels7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
Y10TTechnical subjects covered by former us classification7%
D21HPulp compositions4%
E03DWater-closets or urinals with flushing devices4%
E04BGeneral building constructions4%
E04CStructural elements4%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978–2006Patents assigned to OLIVER JOHN F (3)· patent assignee history
1978–1979Based in Wilmington, DE, US· patent location history
1988–2001Patents assigned to XEROX CORP (13)· patent assignee history
1988–2001Based in Mississauga, CA· patent location history
1996–1998Based in Calgary, CA· patent location history
2000Patents assigned to OLIVER SYSTEMS INTERNATIONAL I (1)· patent assignee history
2000–2006Based in Dagsboro, DE, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
XEROX CORP131988–2001
OLIVER JOHN Fself31978–2006
OLIVER SYSTEMS INTERNATIONAL I12000
Locations
LocationPatentsSpan
Calgary, CA71996–1998
Mississauga, CA61988–2001
Dagsboro, Delaware, US22000–2006
Wilmington, Delaware, US21978–1979