Granted Patent
Utility
US 4,589,523 · App. 06/578,963
Fall arrester and emergency retrieval apparatus and anchor apparatus therefor
Inventors:
Wayne L. Olson, Billy R. Hensley
Patented Case
View Patent ↗
Granted: May 20, 1986
Filed: Feb 10, 1984
Inventors
Wayne L. Olson
Billy R. Hensley
Assignee (at issue)
Rose Manufacturing Company
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.