Growing community of inventors

Bellingham, WA, United States of America

Calvin O Collander

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 = 4

Calvin O CollanderPaul E Barkley (1 patent)Calvin O CollanderCalvin O Collander (1 patent)Paul E BarkleyPaul E Barkley (7 patents)
..
Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cirrus Cycles, Inc. (1 from 2 patents)


1 patent:

1. D919486 - Bicycle handlebar suspension

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