![]() 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 Learning Tech Inc filed Critical Learning Tech Inc Priority to US10/606,469 priority Critical patent/US7177077B2/en Publication of US20040027660A1 publication Critical patent/US20040027660A1/en Application granted granted Critical Publication of US7177077B2 publication Critical patent/US7177077B2/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Original Assignee Learning Tech 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.) ( en Inventor Philip Sadler 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.) Granted Application number US10/606,469 Other versions US7177077B2 Google Patents US20040027660A1 - Sunspotter solar telescope US20040027660A1 - Sunspotter solar telescope
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