Growing community of inventors

Decatur, GA, United States of America

Katherine R Lehman

Average Co-Inventor Count = 2.00

ph-index = 2

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 = 20

Katherine R LehmanMichael J Matsko (2 patents)Katherine R LehmanKatherine R Lehman (2 patents)Michael J MatskoMichael J Matsko (5 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Ncr Corporation (2 from 4,491 patents)


2 patents:

1. 7093748 - Method and apparatus for tracking retail performance metrics during a transaction at a point of sale station

2. 6792394 - Method and apparatus for determining the retail performance metric of entry identification time

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