Growing community of inventors

Chicago, IL, United States of America

Christopher A Shipman

Average Co-Inventor Count = 3.00

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

Christopher A ShipmanRobert S Morrison (1 patent)Christopher A ShipmanMark J Coldebella (1 patent)Christopher A ShipmanChristopher A Shipman (1 patent)Robert S MorrisonRobert S Morrison (24 patents)Mark J ColdebellaMark J Coldebella (2 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Gamestar, Inc. (1 from 4 patents)


1 patent:

1. 5494285 - Pinball playfield roller assembly

Please report any incorrect information to support@idiyas.com
idiyas.com
as of
1/14/2026
Loading…