Inventor
BELL DONALD R
US16 patents
⚠️ This page may combine multiple inventors who share the name “BELL DONALD R”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MINNESOTA MINING & MFG
6 patentsUS5840089ANov 24, 1998
Method of making an abrasive article
MINNESOTA MINING & MFG131 citations98
US5672186ASep 30, 1997
Method of making an abrasive article
MINNESOTA MINING & MFG106 citations98
US5505747AApr 9, 1996
Method of making an abrasive article
MINNESOTA MINING & MFG265 citations98
US5725423AMar 10, 1998
Abrading apparatus
MINNESOTA MINING & MFG43 citations96
US5667540ASep 16, 1997
Method of making an abrasive article
MINNESOTA MINING & MFG47 citations96
US5607345AMar 4, 1997
Abrading apparatus
MINNESOTA MINING & MFG86 citations96
3M INNOVATIVE PROPERTIES CO
5 patentsUS6579161B1Jun 17, 2003
Abrasive article
3M INNOVATIVE PROPERTIES CO42 citations96
US6579162B2Jun 17, 2003
Abrasive article
3M INNOVATIVE PROPERTIES CO39 citations96
US6197076B1Mar 6, 2001
Abrasive article method of making same and abrading apparatus
3M INNOVATIVE PROPERTIES CO78 citations96
US7044834B2May 16, 2006
Abrasive article
3M INNOVATIVE PROPERTIES CO15 citations92
US6884157B2Apr 26, 2005
Abrasive article
3M INNOVATIVE PROPERTIES CO19 citations92
ETHYL CORP
5 patentsUS5591237AJan 7, 1997
Fuel additive concentrate with enhanced storage stability
ETHYL CORP25 citations92
US5612295AMar 18, 1997
Lubricant additive compositions
ETHYL CORP15 citations74
US5240630AAug 31, 1993
Refrigeration compositions containing diester-amides of dialkanolamines
ETHYL CORP9 citations73
US5026885AJun 25, 1991
Process for preparing transition metal cyclopentadienyl carbonyl compounds
ETHYL CORP12 citations73
US4946975AAug 7, 1990
Process for making methylcyclopentadienyl manganese tricarbonyl compounds
ETHYL CORP7 citations73