Matches 551 - 600 out of 610 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >
Match Document Document Title
1538651 Lens blocking  
1526898 Process of generating a depressed bifocal lens  
1519277 Process of making glass blanks for parabolic reflectors  
1506733 Process of making multifocal lenses  
1498370 Process of making multifocal eyeglass lenses  
1496652 Lens  
1491383 Lens-grinding apparatus  
1487715 Process of making a bifocal lens with merged surfaces  
1483866 Process of making toric lenses  
1482951 Bifocal-lens blank  
1473360 Lens  
1471351 Lens  
1467308 Method of grinding one-piece bifocal lenses  
1457355 Bifocal eyeglass lens  
1457335 Oven thermometer  
1427192 Trifocal lens and process of making the same  
1426147 Toric-lens series and process of making same  
1426146 Toric-lens series and process of making same  
1416444 Process of making bifocal lenses  
1413945 Bifocal lens and method of manufacturing the same  
1410367 Process of making bifocal lenses  
1401831 Method of and apparatus for grinding glass  
1399400 Lens-grinder  
1383863 Method of making bifocal lenses  
1370042 Process of forming lens-blanks  
1356330 Polishing-tool for ophthalmic lenses  
1350441 Manufacture of lenses  
1343522 Process for grinding and polishing lenses  
1332778 Method of and means for preparing lenses and the like for grinding and polishing  
1303495 Title is not available  
1302960 Title is not available  
1286032 Title is not available  
1282037 Title is not available  
1166639 Title is not available  
1165978 Title is not available  
1117264 Title is not available  
1006375 Title is not available  
0968699 Title is not available  
0946571 Title is not available  
0925802 Title is not available  
0890813 Title is not available  
0869938 Title is not available  
0861055 Title is not available  
0689933 Title is not available  
0512485 Title is not available  
0474024 Title is not available  
0441570 Title is not available  
0369431 Title is not available  
0051776 Title is not available  
RE25620 Title is not available  
Matches 551 - 600 out of 610 < 1 2 3 4 5 6 7 8 9 10 11 12 13 >