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Inventor

Barry C. Breen

Inventor
Woodinville, WA, US

Overview

3→
Patents
1976–1978
Patent span
Electricity
Primary field (CPC H)

Patents· 3 as inventor

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

H04Qprimary
H04QSelecting67%
H04MTelephonic communication33%
PatentTitleYear
4,130,737'Two-link intercom system'19784,009,352'Multiple link circuit for a port multiplexer'19773,946,163'Port multiplexer for telephone signal processing systems'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1977Patents assigned to TEL TONE CORP (2)· patent assignee history
1976Based in Redmond, WA, US· patent location history
1977–1978Based in Woodinville, WA, US· patent location history
1978Patents assigned to MELCO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
TEL TONE CORP21976–1977
MELCO11978
Locations
LocationPatentsSpan
Woodinville, Washington, US21977–1978
Redmond, Washington, US11976