DH

Duane J. Hayes

3M: 5 patents #2,937 of 11,543Top 30%
Overall (All Time): #1,053,270 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5837179 Method of making abrasive filaments comprising abrasive-filled thermoplastic elastomer Richard M. Pihl, Loren L. Barber, Jr., Dennis G. Welygan, R. Eugene Hardwick, Ronald O. Zemke 1998-11-17
5491025 Abrasive filaments comprising abrasive-filled thermoplastic elastomer Richard M. Pihl, Loren L. Barber, Jr., Dennis G. Welygan, R. Eugene Hardwick, Ronald O. Zemke 1996-02-13
5443906 Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporting same and methods of using said articles Richard M. Pihl, Loren L. Barber, Jr., Dennis G. Welygan, R. Eugene Hardwick, Ronald O. Zembke, deceased 1995-08-22
5427595 Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporating same and methods of using said articles Richard M. Pihl, Loren L. Barber, Jr., Dennis G. Welygan, R. Eugene Hardwick, Ronald O. Zemke 1995-06-27
5082720 Melt-bondable fibers for use in nonwoven web 1992-01-21