![]() ![]() G01C15/00- Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00.G01C- MEASURING DISTANCES, LEVELS OR BEARINGS SURVEYING NAVIGATION GYROSCOPIC INSTRUMENTS PHOTOGRAMMETRY OR VIDEOGRAMMETRY.230000014759 maintenance of location Effects 0.000 description 2.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 Herman A Schmidtke filed Critical Herman A Schmidtke Priority to US46652308A priority Critical patent/US916608A/en Application granted granted Critical Publication of US916608A publication Critical patent/US916608A/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 US46652308A Inventor Herman A Schmidtke Original Assignee Herman A Schmidtke Priority date (The priority date is an assumption and is not a legal conclusion. ![]()
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