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Inventor

Alfred Schenkl

Inventor
Johnson City, TN, US

Overview

1→
Patents
1982
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.

H02Pprimary
H02PControl or regulation of electric motors, electric generators or dynamo-electric converters50%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests50%
PatentTitleYear
4,311,949'Semiconductor circuit for speed control of electric motors'1982

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982Patents assigned to SIEMENS AG (1)· patent assignee history
1982Based in Johnson City, TN, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SIEMENS AG11982
Locations
LocationPatentsSpan
Johnson City, TN, US11982