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Inventor

Charles J. Simon

Inventor
Hinsdale, IL, US

Overview

1→
Patents
1977
Patent span
Electricity
Primary field (CPC H)

Patents· 1 as inventor

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

H04Mprimary
H04MTelephonic communication100%
PatentTitleYear
4,022,991'Conferencing arrangement for use in a PCM system'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to GTE AUTOMATIC ELECTRIC LAB INC (1)· patent assignee history
1977Based in Hinsdale, IL, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GTE AUTOMATIC ELECTRIC LAB INC11977
Locations
LocationPatentsSpan
Hinsdale, Illinois, US11977