Granted Patent
Utility
US 5,265,982 · App. 07/973,081
High strength anchor
Inventor:
Frederick W. Burtelson
Patented Case
View Patent ↗
Granted: Nov 30, 1993
Filed: Nov 6, 1992
Inventor
Frederick W. Burtelson
Assignee (at issue)
Joslyn Manufacturing Co.
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.