229910052904 quartz Inorganic materials 0.000 claims abstract description 18. 239000010453 quartz Substances 0.000 claims abstract description 18.238000005070 sampling Methods 0.000 claims abstract description 25.238000006243 chemical reaction Methods 0.000 claims abstract description 32.Assignors: ZUYKOV, IGOR Application granted granted Critical Publication of US6199016B1 publication Critical patent/US6199016B1/en Anticipated expiration legal-status Critical Status Expired - Fee Related legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.) Filing date Publication date Priority claimed from US8683998P external-priority Application filed by Environmental Investigations Corp filed Critical Environmental Investigations Corp Priority to US09/318,210 priority Critical patent/US6199016B1/en Assigned to ENVIRONMENTAL INVESTIGATIONS CORPORATION reassignment ENVIRONMENTAL INVESTIGATIONS CORPORATION ASSIGNMENT OF ASSIGNORS INTEREST (SEE DOCUMENT FOR DETAILS). Original Assignee Environmental Investigations Corp 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.) Zuykov 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 - Fee Related Application number US09/318,210 Inventor Igor V. Google Patents Resonance acoustical profiling system and methods of using sameÄownload PDF Info Publication number US6199016B1 US6199016B1 US09/318,210 US31821099A US6199016B1 US 6199016 B1 US6199016 B1 US 6199016B1 US 31821099 A US31821099 A US 31821099A US 6199016 B1 US6199016 B1 US 6199016B1 Authority US United States Prior art keywords analog frequency file conversion device signals Prior art date Legal status (The legal status is an assumption and is not a legal conclusion. Google Patents US6199016B1 - Resonance acoustical profiling system and methods of using same US6199016B1 - Resonance acoustical profiling system and methods of using same
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