|
| US4010583 | 17 Apr 1975 | 8 Mar 1977 | Engelhard Minerals & Chemicals Corporation | Fixed-super-abrasive tool and method of manufacture thereof |
| US4035160 | 21 Jan 1976 | 12 Jul 1977 | Canon Kabushiki Kaisha | Method for manufacturing a convex or concave lapping tool |
| US4929169 | 13 Jun 1988 | 29 May 1990 | Mitsubishi Rayon Co. | Working equipment for roughening the side of optical fiber |
| US4989316 | 9 Mar 1987 | 5 Feb 1991 | Gerber Scientific Products, Inc. | Method and apparatus for making prescription eyeglass lenses |
| US5210695 | 26 Oct 1990 | 11 May 1993 | Gerber Optical, Inc. | Single block mounting system for surfacing and edging of a lens blank and method therefor |
| US5567503 | 19 Sep 1994 | 22 Oct 1996 | | Polishing pad with abrasive particles in a non-porous binder |
| US5593340 | 28 Sep 1995 | 14 Jan 1997 | DAC Vision, Inc. | Castable ophthalmic lens polishing lap and method |
| US5605499 | 13 Apr 1995 | 25 Feb 1997 | Speedfam Company Limited | Flattening method and flattening apparatus of a semiconductor device |