Growing community of inventors

Scottsdale, AZ, United States of America

Richard A Lang

Average Co-Inventor Count = 1.50

ph-index = 3

The patent ph-index is calculated by counting the number of publications for which an author has been cited by other authors at least that same number of times.

Forward Citations = 353

Richard A LangRobert T Dunlap (2 patents)Richard A LangRichard A Lang (3 patents)Robert T DunlapRobert T Dunlap (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Go-Video, Inc. (2 from 11 patents)


3 patents:

1. 5216552 - Video cassette recorder having dual decks for selective simultaneous

2. D320952 - Window greenhouse

3. 4768110 - Video cassette recorder having dual decks for selective simultaneous

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1/5/2026
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