Growing community of inventors

Franklin, WI, United States of America

Roger A Bohman

Average Co-Inventor Count = 1.00

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 = 2

Roger A BohmanRoger A Bohman (3 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Empire Level Mfg. Co. (2 from 10 patents)

2. Empire Level Mfg. Corp. (1 from 33 patents)


3 patents:

1. 7908753 - Hands-free level

2. 7797847 - Hands-free level

3. 7739804 - Hands-free long level

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as of
12/9/2025
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