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For the Inventor, By the Inventor

Calgary, Canada

Donald L Hadden

USPTO Granted Patents = 2

Average Co-Inventor Count = 3.0

ph-index = 2

Forward Citations = 53(Granted Patents)


Location History:

  • Fountain Valley, CA (US) (1980)
  • Calgary, CA (1995)

Company Filing History:

goldMedal1 out of 1 
 
Baker Protective Services, Incorporated
 patent
silverMedal1 out of 1 
 
Borg-warner Security Corporation
 patent

Years Active: 1980-1995

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2 patents (USPTO):Explore Patents
1. 5406254 - Alarm system with remote module and associated alarm (1995-04-11),
2. 4228424 - Central station alarm (1980-10-14),
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