Growing community of inventors

Discovery Bay, CA, United States of America

Roy Greengrass

Average Co-Inventor Count = 6.00

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 = 2

Roy GreengrassJames E McCay (1 patent)Roy GreengrassBrian J Olson (1 patent)Roy GreengrassThomas Lebeau (1 patent)Roy GreengrassJonathan Lee (1 patent)Roy GreengrassDaniel Dominski (1 patent)Roy GreengrassRoy Greengrass (1 patent)James E McCayJames E McCay (55 patents)Brian J OlsonBrian J Olson (5 patents)Thomas LebeauThomas Lebeau (3 patents)Jonathan LeeJonathan Lee (2 patents)Daniel DominskiDaniel Dominski (1 patent)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Del Monte Foods, Inc. (1 from 7 patents)


1 patent:

1. 9290301 - Packaging of multiple cups

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as of
12/10/2025
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