Granted Patent
Utility
US 5,220,977 · App. 07/837,871
Fall indicator for use with fall arresting devices
Inventor:
James T. Wolner
Patented Case
View Patent ↗
Granted: Jun 22, 1993
Filed: Feb 18, 1992
Inventor
James T. Wolner
Assignee (at issue)
D B Industries, LLC
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.