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Inventor

Richard W. Westerfer

Inventor
Lower Gwynedd, PA, US

Overview

7→
Patents
1987–2012
Patent span
Electricity
Primary field (CPC H)

Patents· 7 as inventor

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

H04Nprimary
H04NPictorial communication, e.g. television100%
PatentTitleYear
8,089,502'Adaptive video telephone system'20128,063,928'Videophone system and method'20117,239,338'Videophone system and method'20075,651,065'Insertion of supplemental burst into video signals to thwart piracy and/or carry data'19975,287,409'Method and apparatus for frustrating vertical interval detection in scrambled television signals'19945,146,496'Method and apparatus for enhancing the security of a scrambled television signal'19924,712,239'Security arrangement for downloadable cable television converters'1987

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1987–1997Patents assigned to GEN INSTRUMENT CORP (4)· patent assignee history
1987Based in Norristown, PA, US· patent location history
1992–1997Based in Blue Bell, PA, US· patent location history
2007–2012Patents assigned to WORLDGATE SERVICE INC (3)· patent assignee history
2007–2012Based in Lower Gwynedd, PA, US· patent location history
2011–2012Patents assigned to AUGENBRAUN JOSEPH E (2)· patent assignee history
2011–2012Patents assigned to BLACKMON WHITNEY D (2)· patent assignee history
2011–2012Patents assigned to GORT RANDALL J (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GEN INSTRUMENT CORP41987–1997
WORLDGATE SERVICE INC32007–2012
AUGENBRAUN JOSEPH E22011–2012
BLACKMON WHITNEY D22011–2012
GORT RANDALL J22011–2012
Locations
LocationPatentsSpan
Lower Gwynedd, Pennsylvania, US32007–2012
Blue Bell, Pennsylvania, US31992–1997
Norristown, Pennsylvania, US11987