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Hartford, CT, United States of America

Bruce Leffingwell

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 = 1

Bruce LeffingwellBruce Leffingwell (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Other (1 from 832,812 patents)

2. Mpb (1 from 8 patents)


2 patents:

1. 4107239 - Phenolic-acrylic fast-curing sealant system

2. 3957907 - Phenolic-acrylic fast-curing sealant system

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as of
12/20/2025
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