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Topeka, KS, United States of America

Lance M Sparks

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 = 7

Lance M Sparks ↔ Larry E Wittmeyer, Jr (1 patent)Lance M SparksLance M Sparks (1 patent)Larry E Wittmeyer, JrLarry E Wittmeyer, Jr (11 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Cardinal Brands, Inc. (1 from 11 patents)


1 patent:

1. 7789430 - Easel pad

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