Growing community of inventors

Toledo, OH, United States of America

Douglas A Kirk

Average Co-Inventor Count = 4.00

ph-index = 1

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 = 1

Douglas A KirkMichael Williamson (1 patent)Douglas A KirkJohn H Walsh (1 patent)Douglas A KirkDaniel Dew (1 patent)Douglas A KirkDouglas A Kirk (1 patent)Michael WilliamsonMichael Williamson (52 patents)John H WalshJohn H Walsh (4 patents)Daniel DewDaniel Dew (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Sunrise Windows, LLC (1 from 3 patents)


1 patent:

1. 9140059 - Venetian type blind operator

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12/24/2025
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