RH

Raymond F. Heyer

3M: 7 patents #2,212 of 11,543Top 20%
📍 Saint Paul, MN: #175 of 620 inventorsTop 30%
🗺 Minnesota: #10,397 of 52,454 inventorsTop 20%
Overall (All Time): #765,165 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
5685935 Method of preparing melt bonded nonwoven articles Connie L. Hubbard 1997-11-11
5363604 Entangled continuous filament nonwoven scouring articles and methods of making same 1994-11-15
5025596 Hand scouring pad Connie L. Hubbard 1991-06-25
4991362 Hand scouring pad Connie L. Hubbard 1991-02-12
4486200 Method of making an abrasive article comprising abrasive agglomerates supported in a fibrous matrix William R. Lovness 1984-12-04
4355489 Abrasive article comprising abrasive agglomerates supported in a fibrous matrix William R. Lovness 1982-10-26
4199835 Scouring ball Gary J. Klecker 1980-04-29