Growing community of inventors

Regina, Canada

Sandy S Friesen

Average Co-Inventor Count = 2.00

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 = 5

Sandy S FriesenJohn William Krieger (1 patent)Sandy S FriesenSandy S Friesen (1 patent)John William KriegerJohn William Krieger (9 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Motor Coach Industries Limited (1 from 20 patents)


1 patent:

1. 5803326 - Tour guide cabinet for use in a passenger vehicle

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as of
12/13/2025
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