Granted Patent
Utility
US 4,053,877 · App. 05/641,358
Method of and apparatus for surveying an area
Inventors:
Arthur Timothy Torlesse, Anthony Wulston Bovill, Robert C. West
Patented Case
View Patent ↗
Granted: Oct 11, 1977
Filed: Dec 16, 1975
Inventors
Arthur Timothy Torlesse
Anthony Wulston Bovill
Robert C. West
Assignee (at issue)
Plessey Handel Und Investments AG
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.