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Inventor

Alan C. Marshall

Inventor
Framingham, MA, US

Overview

4→
Patents
1976–2010
Patent span
Physics
Primary field (CPC G)

Patents· 4 as inventor

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

H04Lprimary
H04LTransmission of digital information, e.g. telegraphic communication50%
G01RMeasuring electric variables25%
G01SRadio direction-finding25%
PatentTitleYear
7,659,786'Ring oscillator'20105,132,926'Token ring equalizer'19925,090,025'Token ring synchronization'19923,950,752'Navigation receiver system for synchronizing to noisy, asymmetrical signals'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to EPSCO INC (1)· patent assignee history
1976–1992Based in Framingham, MA, US· patent location history
1992Patents assigned to PROTEON INC (2)· patent assignee history
2010Patents assigned to PANASONIC CORP (1)· patent assignee history
2010Based in Didcot, GB· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
PROTEON INC21992
EPSCO INC11976
PANASONIC CORP12010
Locations
LocationPatentsSpan
Framingham, Massachusetts, US31976–1992
Didcot, GB12010