G02B- OPTICAL ELEMENTS, SYSTEMS OR APPARATUS.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 Arthur Levy filed Critical Arthur Levy Priority to US63196011A priority Critical patent/US1024730A/en Application granted granted Critical Publication of US1024730A publication Critical patent/US1024730A/en Anticipated expiration legal-status Critical Status Expired - Lifetime legal-status Critical Current Links Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.) Expired - Lifetime Application number US63196011A Inventor Arthur Levy Original Assignee Arthur Levy Priority date (The priority date is an assumption and is not a legal conclusion.
0 kommentar(er)
