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Inventor

James Walter Gewartowski

Inventor
Allentown, PA, 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.

H03Fprimary
H03FAmplifiers100%
PatentTitleYear
4,028,637'Parametrically-stable negative resistance diode circuit'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977Patents assigned to BELL TELEPHONE LABOR INC (1)· patent assignee history
1977Based in Allentown, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BELL TELEPHONE LABOR INC11977
Locations
LocationPatentsSpan
Allentown, Pennsylvania, US11977