Growing community of inventors

Minneapolis, MN, United States of America

John R Collis

Average Co-Inventor Count = 2.57

ph-index = 3

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 = 68

John R CollisDennis J Colonello (2 patents)John R CollisRobert R Schnabel, Jr (2 patents)John R CollisWilliam J Szabo (1 patent)John R CollisJohn R Collis (3 patents)Dennis J ColonelloDennis J Colonello (13 patents)Robert R Schnabel, JrRobert R Schnabel, Jr (5 patents)William J SzaboWilliam J Szabo (11 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Fitness Quest Inc. (2 from 26 patents)

2. Szabo; William J. (1 from 1 patent)


3 patents:

1. 5725463 - Abdominal exercise device

2. D382609 - Exercise device

3. D381378 - Abdominal exercise device

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12/10/2025
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