1/9/2024 0 Comments Sphero edu unblocked238000006243 chemical reaction Methods 0.000 description 4.238000004519 manufacturing process Methods 0.000 description 7.230000002093 peripheral Effects 0.000 claims description 2.238000005520 cutting process Methods 0.000 claims description 24.230000000903 blocking Effects 0.000 title abstract description 13.238000007688 edging Methods 0.000 title claims abstract description 28.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority to US64648676A priority Critical Application filed by Computer Management Services Inc filed Critical Computer Management Services Inc Application granted granted Critical Publication of US4149344A publication Critical patent/US4149344A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Computer Management Services Inc Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.) Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US05/842,552 Inventor Gordon H. Google Patents Single-point blocking method of surfacing and edging spectacle lensesÄownload PDF Info Publication number US4149344A US4149344A US05/842,552 US84255277A US4149344A US 4149344 A US4149344 A US 4149344A US 84255277 A US84255277 A US 84255277A US 4149344 A US4149344 A US 4149344A Authority US United States Prior art keywords lens surfacing center frame prism Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US4149344A - Single-point blocking method of surfacing and edging spectacle lenses US4149344A - Single-point blocking method of surfacing and edging spectacle lenses
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