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Inventor

Donald E. Johnston

Inventor
Rochester, NY, US

Overview

11→
Patents
1988–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 11 as inventor

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

B65Hprimary
B65HHandling thin or filamentary material, e.g. sheets, webs, cables40%
G03GElectrography20%
B41JTypewriters13%
H01HElectric switches13%
H05KPrinted circuits7%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests7%
PatentTitleYear
9,233,813'Media registration system with sheet curl control'20168,702,094'Media registration system with sheet curl control'20147,415,221'Modular media registration systems and methods for printing or image-forming apparatus'20087,062,218'Quad-roll decurler'20066,186,497'Low cost multiple output sheet inverter'20016,111,192'Height reducible EMI shielded electronic enclosure'20005,634,188'Reproduction machine having a high capacity cassette tray assembly'19975,370,381'Friction retard sheet separator and feeder having reduced noise'19945,163,668'Retard pad assembly with movable compliant entrance guide'19924,992,770'Fuse with improved spring timer'19914,771,259'Electric protective device and method for manufacturing same'1988

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1991Patents assigned to COOPER IND INC (2)· patent assignee history
1991Based in St. Louis, MO, US· patent location history
1992–2016Patents assigned to XEROX CORP (8)· patent assignee history
1992–2006Based in Rochester, NY, US· patent location history
1994Based in Penfield, NY, US· patent location history
2000Patents assigned to MARION COMPOSITES (1)· patent assignee history
2000Based in Marion, VA, US· patent location history
2008–2016Based in Webster, NY, US· patent location history
2014Patents assigned to JOHNSTON DONALD E (1)· patent assignee history
2014Patents assigned to MANDEL BARRY P (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
XEROX CORP81992–2016
COOPER IND INC21988–1991
JOHNSTON DONALD Eself12014
MANDEL BARRY P12014
MARION COMPOSITES12000
Locations
LocationPatentsSpan
Rochester, New York, US41992–2006
Webster, New York, US32008–2016
Marion, Virginia, US12000
Penfield, New York, US11994
St. Louis, MO, US11991