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Inventor

Robert S. Zieles

Inventor
Indianapolis, IN, US

Overview

3→
Patents
1978–1994
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.

H01Hprimary
H01HElectric switches50%
H04MTelephonic communication50%
PatentTitleYear
D0345976'Telephone base'19944,984,268'Telephone handset construction'19914,130,744'Cam actuated multiple contact spring switch'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to BELL TELEPHONE LABOR INC (1)· patent assignee history
1978–1994Based in Indianapolis, IN, US· patent location history
1991–1994Patents assigned to AT & T BELL LAB (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AT & T BELL LAB21991–1994
BELL TELEPHONE LABOR INC11978
Locations
LocationPatentsSpan
Indianapolis, IN, US31978–1994