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BQCADISMDOOEFD-UHFFFAOYSA-N silver Chemical compound BQCADISMDOOEFD-UHFFFAOYSA-N 0.000 description 4.238000004519 manufacturing process Methods 0.000 description 4.229910003460 diamond Inorganic materials 0.000 description 4.230000021037 unidirectional conjugation Effects 0.000 description 16.230000023298 conjugation with cellular fusion Effects 0.000 description 16.238000005520 cutting process Methods 0.000 claims abstract description 178.Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Application filed by Gundy William P filed Critical Gundy William P Priority to US05/888,738 priority Critical patent/US4208154A/en Application granted granted Critical Publication of US4208154A publication Critical patent/US4208154A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Gundy Original Assignee Gundy William P 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 as to the accuracy of the status listed.) Expired - Lifetime Application number US05/888,738 Inventor William P.
#CORE DRILL PDF#
Download PDF Info Publication number US4208154A US4208154A US05/888,738 US88873878A US4208154A US 4208154 A US4208154 A US 4208154A US 88873878 A US88873878 A US 88873878A US 4208154 A US4208154 A US 4208154A Authority US United States Prior art keywords tube cutting ring drill groove Prior art date Legal status (The legal status is an assumption and is not a legal conclusion.
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