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Inventor

George B. Pfeffer

Inventor
Minnetonka, MN, US

Overview

20→
Patents
1981–2006
Patent span
Performing operations
Primary field (CPC B)

Patents· 20 as inventor

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

H01Rprimary
H01RElectrically-conductive connections22%
Y10TTechnical subjects covered by former us classification16%
G02BOptical elements, systems or apparatus14%
B65CLabelling or tagging machines, apparatus, or processes8%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests8%
B24BMachines, devices, or processes for grinding or polishing5%
G06KGraphical data reading5%
B25CHand-held nailing or stapling tools3%
B25DPercussive tools3%
B29CShaping or joining of plastics3%
PatentTitleYear
6,987,921'Ferrule polishing fixture'20066,860,646'System for clamping ferrules'20056,718,111'Ferrule polishing fixture'20045,319,728'High return loss fixed attenuator'19945,305,405'Patch cord'19945,286,215'Make-before-break PC board edge connector'19945,187,634'Fail-safe protector'19934,966,639'Apparatus for manufacture of reinforced file folders'19904,870,753'Method of manufacturing a light socket'19894,759,729'Electrical connector apparatus'19884,753,609'Lamp receiving apparatus'19884,710,138'Electrical connector apparatus'19874,693,537'Electrical connector'19874,682,412'Insertion tool'19874,628,159'Electrical connector apparatus'19864,457,016'File label reading system'19844,369,582'Manual label applying template'19834,345,683'Conveyor for labelling apparatus'19824,288,272'Label applicator with sensor'19814,281,445'Apparatus and method for replacement of file folders having fasteners'1981

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1981–1984Patents assigned to DATAFILE LTD (5)· patent assignee history
1981–1994Based in Minnetonka, MN, US· patent location history
1986–2006Patents assigned to ADC TELECOMMUNICATIONS INC (14)· patent assignee history
1990Patents assigned to WRIGHT LINE OF CANADA LTD (1)· patent assignee history
2004–2006Based in Punta Gorda, FL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
ADC TELECOMMUNICATIONS INC141986–2006
DATAFILE LTD51981–1984
WRIGHT LINE OF CANADA LTD11990
Locations
LocationPatentsSpan
Minnetonka, Minnesota, US171981–1994
Punta Gorda, Florida, US32004–2006