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DUNCAN ELECTRIC COMPANY, INC
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LAFAYETTE, IN, US
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Patents Grants
last 30 patents
Information
Patent Grant
Programmable demand register with two way communication through an...
Patent number
4,542,469
Issue date
Sep 17, 1985
Duncan Electric Company, Inc.
Robert E. Brandyberry
G01 - MEASURING TESTING
Information
Patent Grant
Power transducer
Patent number
4,514,686
Issue date
Apr 30, 1985
Duncan Electric Company, Inc.
Glenn A. Mayfield
G01 - MEASURING TESTING
Information
Patent Grant
Average responding RMS indicating type transducer
Patent number
4,417,198
Issue date
Nov 22, 1983
Duncan Electric Company, Inc.
Glenn A. Mayfield
G01 - MEASURING TESTING
Information
Patent Grant
Releasable mold for forming a ribbed transformer casing
Patent number
4,171,791
Issue date
Oct 23, 1979
Duncan Electric Company
Leonard J. Britz
B28 - WORKING CEMENT, CLAY, OR STONE
Information
Patent Grant
Method for making a heat sensitive fault detecting and indicating d...
Patent number
4,118,667
Issue date
Oct 3, 1978
Duncan Electric Co., Inc.
James W. Milligan
G01 - MEASURING TESTING
Information
Patent Grant
Laser beam shutter and beam indicator
Patent number
4,103,261
Issue date
Jul 25, 1978
Duncan Electric Company, Inc.
John M. Carr
G02 - OPTICS
Information
Patent Grant
Transformer mounting assembly
Patent number
4,084,143
Issue date
Apr 11, 1978
Duncan Electric Company, Inc.
A. D. Nutt
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Heat sensitive abnormal condition detecting and indicating device a...
Patent number
4,080,567
Issue date
Mar 21, 1978
Duncan Electric Company, Inc.
Wallace C. Kemp
G01 - MEASURING TESTING
Information
Patent Grant
Epoxy bonded silicon carbide lightning-protection valve
Patent number
4,074,221
Issue date
Feb 14, 1978
Duncan Electric Company, Inc.
James W. Milligan
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Heat sensitive fault detecting and indicating system for watthour m...
Patent number
4,017,795
Issue date
Apr 12, 1977
Duncan Electric Company, Inc.
James W. Milligan
G01 - MEASURING TESTING