Growing community of inventors

White Bear Lake, MN, United States of America

Ronald O Zemke, Deceased

Average Co-Inventor Count = 6.00

ph-index = 3

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 = 77

Ronald O Zemke, DeceasedDennis G Welygan (3 patents)Ronald O Zemke, DeceasedLoren L Barber, Jr (3 patents)Ronald O Zemke, DeceasedRichard M Pihl (3 patents)Ronald O Zemke, DeceasedDuane J Hayes (3 patents)Ronald O Zemke, DeceasedR Eugene Hardwick (3 patents)Ronald O Zemke, DeceasedRonald O Zemke, Deceased (3 patents)Dennis G WelyganDennis G Welygan (40 patents)Loren L Barber, JrLoren L Barber, Jr (26 patents)Richard M PihlRichard M Pihl (22 patents)Duane J HayesDuane J Hayes (5 patents)R Eugene HardwickR Eugene Hardwick (4 patents)
..
Inventor’s number of patents
..
Strength of working relationships

Company Filing History:

1. Minnesota Mining and Manufacturing Company (3 from 7,865 patents)


3 patents:

1. 5837179 - Method of making abrasive filaments comprising abrasive-filled

2. 5491025 - Abrasive filaments comprising abrasive-filled thermoplastic elastomer

3. 5427595 - Abrasive filaments comprising abrasive-filled thermoplastic elastomer,

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as of
12/6/2025
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