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Des Moines, IA, United States of America

Lawrence B Engman

Average Co-Inventor Count = 1.00

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 = 16

Lawrence B EngmanLawrence B Engman (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Engmans, Inc. (2 from 3 patents)


2 patents:

1. D251390 - Shutter

2. D251389 - Shutter

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