Growing community of inventors

Grand Rapids, MI, United States of America

Robert J Spiess

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 = 1

Robert J Spiess ↔ Ryan D Vaughan (1 patent)Robert J SpiessRobert J Spiess (1 patent)Ryan D VaughanRyan D Vaughan (22 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Steelcase Inc. (1 from 1,810 patents)


1 patent:

1. D1071781 - Arm for seating unit

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as of
12/10/2025
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