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For the Inventor, By the Inventor

Hudson, WI, United States of America

Richard L Weiher

USPTO Granted Patents = 4

Average Co-Inventor Count = 2.7

ph-index = 4

Forward Citations = 175(Granted Patents)


Location History:

  • Hudson, WI (US) (1980)
  • Hudson Twp., ST. Croix County, WI (US) (1980)
  • Hudson Township, St. Croix County, WI (US) (1978 - 1986)

Company Filing History:

goldMedal4 out of 7,865 
 
Minnesota Mining and Manufacturing Company
 patents

Years Active: 1978-1986

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4 patents (USPTO):Explore Patents
1. 4586489 - Semi-concentrating solar energy collector (1986-05-06),
2. 4226910 - Energy control sheet having insulative properties (1980-10-07),
3. 4181627 - High fluorescent efficiency zinc oxide crystals and method of making same (1980-01-01),
4. 4081764 - Zinc oxide light emitting diode (1978-03-28),
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