Growing community of inventors

West Seneca, NY, United States of America

Mark Landgraf

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 = 15

Mark LandgrafRichard Buchanan (1 patent)Mark LandgrafMark Landgraf (1 patent)Richard BuchananRichard Buchanan (6 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Gaymar Industries, Inc. (1 from 56 patents)


1 patent:

1. 7263734 - Magnetically retained CPR dump

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as of
12/31/2025
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