Growing community of inventors

Rosemount, MN, United States of America

David Grams

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 = 8

David GramsRobin L Berg, Sr (2 patents)David GramsJohn R Burwell (2 patents)David GramsDouglas Morrissette (2 patents)David GramsDavid Grams (2 patents)Robin L Berg, SrRobin L Berg, Sr (16 patents)John R BurwellJohn R Burwell (15 patents)Douglas MorrissetteDouglas Morrissette (3 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Xerxes Corporation (2 from 25 patents)


2 patents:

1. 7337590 - Tank retaining system

2. 7028967 - Tank retaining system

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as of
12/19/2025
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