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Inventor

William J. Wingfield

Inventor
Lauderhill, FL, US

Overview

6→
Patents
1994–2021
Patent span
Electricity
Primary field (CPC H)

Patents· 6 as inventor

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

H01Pprimary
H01PWaveguides13%
H03BGeneration of oscillations, directly or by frequency-changing, by circuits employing active elements which operate in a non-switching manner13%
H04BTransmission13%
A41DOuterwear6%
B29CShaping or joining of plastics6%
B29LIndexing scheme associated with subclass b29c, relating to particular articles6%
E04BGeneral building constructions6%
E04DRoof coverings6%
E04FFinishing work on buildings, e.g. stairs, floors6%
G08BSignalling systems, e.g. personal calling systems6%
PatentTitleYear
11,105,099Extruded mat202110,825,328Apparatus for managing a plurality of devices in a portable communication system20207,796,715'Method and apparatus for reducing intra-device interference'20106,236,282'Crystal reference and oscillator circuit using same'20015,363,067'Microstrip assembly'19945,357,218'Self-shielding microstrip assembly'1994

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1994–2010Patents assigned to MOTOROLA INC (4)· patent assignee history
1994–2001Based in Lauderhill, FL, US· patent location history
2010–2020Based in Plantation, FL, US· patent location history
2020Patents assigned to MOTOROLA SOLUTIONS INC (1)· patent assignee history
2021Patents assigned to DU PONT (1)· patent assignee history
2021Patents assigned to LOW & BONAR INC (1)· patent assignee history
2021Based in Candler, NC, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
MOTOROLA INC41994–2010
DU PONT12021
LOW & BONAR INC12021
MOTOROLA SOLUTIONS INC12020
Locations
LocationPatentsSpan
Lauderhill, Florida, US31994–2001
Plantation, Florida, US22010–2020
Candler, NC, US12021