Growing community of inventors

St. Catharines, Canada

Roman Sindelar

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 = 108

Roman SindelarRoman Sindelar (2 patents)
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Inventor’s number of patents
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Strength of working relationships

Company Filing History:

1. Deflecto, LLC (2 from 100 patents)


2 patents:

1. 10927982 - Tubular structures and knurling systems and methods of manufacture and use thereof

2. 9933092 - Tubular structures and knurling systems and methods of manufacture and use thereof

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as of
12/12/2025
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