Inventor

Jack Shaio

Inventor
Winchester, MA, US

Overview

4→
Patents
1989–2003
Patent span
Electricity
Primary field (CPC H)

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 communication33%
H04JMultiplex communication17%
H04MTelephonic communication17%
H04QSelecting17%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to GTE LABORATORIES INC (1)· patent assignee history
1989–1994Based in Cambridge, MA, US· patent location history
1994Patents assigned to UNIFI COMMUNICATIONS CORP (1)· patent assignee history
2002–2003Patents assigned to NORTEL NETWORKS LTD (2)· patent assignee history
2002–2003Based in Winchester, MA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
NORTEL NETWORKS LTD22002–2003
GTE LABORATORIES INC11989
UNIFI COMMUNICATIONS CORP11994
Locations
LocationPatentsSpan
Winchester, Massachusetts, US22002–2003
Cambridge, Massachusetts, US21989–1994