R. Eugene Hardwick — 4 Patents at 3M

R. Eugene Hardwick has been granted 4 US patents while listed as an inventor at 3M. The first was granted in 1995 and the most recent in November 1998. R. Eugene Hardwick ranks #1,080,739 of 4,157,543 US inventors in our database (top 26.0%). Patent records list R. Eugene Hardwick in Maplewood, MN, US.

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date	Approx Value ⓘ
5837179	Method of making abrasive filaments comprising abrasive-filled thermoplastic elastomer	Richard M. Pihl, Duane J. Hayes, Loren L. Barber, Jr., Dennis G. Welygan, Ronald O. Zemke	1998-11-17	$18,961,000
5491025	Abrasive filaments comprising abrasive-filled thermoplastic elastomer	Richard M. Pihl, Duane J. Hayes, Loren L. Barber, Jr., Dennis G. Welygan, Ronald O. Zemke	1996-02-13	$13,369,000
5443906	Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporting same and methods of using said articles	Richard M. Pihl, Duane J. Hayes, Loren L. Barber, Jr., Dennis G. Welygan, Ronald O. Zembke, deceased	1995-08-22	$7,490,000
5427595	Abrasive filaments comprising abrasive-filled thermoplastic elastomer, methods of making same, articles incorporating same and methods of using said articles	Richard M. Pihl, Duane J. Hayes, Loren L. Barber, Jr., Dennis G. Welygan, Ronald O. Zemke	1995-06-27	$7,677,000

R. Eugene Hardwick — 4 Patents

Issued Patents All Time

Patent Widget