|
| US4257852 | 15 jan 1979 | 24 mar 1981 | Atlantic Richfield Company | Distillation of aqueous tertiary butyl hydroperoxide |
| US4613303 | 10 aug 1984 | 23 sep 1986 | Combustion Engineering, Inc. | Combustion air control in an in-line flame arrestor |
| US4671060 | 22 jul 1985 | 9 jun 1987 | | Explosion-protected diesel engine |
| US4702692 | 26 mar 1985 | 27 okt 1987 | Conoco Inc. | Air reduction control for oil-treating vessels |
| US4909730 | 23 jan 1989 | 20 mar 1990 | Westech Industrial Ltd. | Flame arrester having detonation-attenuating means |
| US5201916 | 23 jul 1992 | 13 apr 1993 | Minnesota Mining and Manufacturing Company | Shaped abrasive particles and method of making same |
| US5366523 | 23 jul 1992 | 22 nov 1994 | Minnesota Mining and Manufacturing Company | Abrasive article containing shaped abrasive particles |
| US5496386 | 6 jun 1995 | 5 mar 1996 | Minnesota Mining and Manufacturing Company | Coated abrasive article having diluent particles and shaped abrasive particles |
| US5584896 | 21 jun 1995 | 17 dec 1996 | Minnesota Mining and Manufacturing Company | Coated abrasive article having diluent particles and shaped abrasive particles |
| US5984988 | 17 apr 1998 | 16 nov 1999 | Minnesota Minning & Manufacturing Company | Shaped abrasive particles and method of making same |
| USRE35570 | 10 aug 1995 | 29 jul 1997 | Minnesota Mining and Manufacturing Company | Abrasive article containing shaped abrasive particles |
