Granted Patent
Utility
US 4,423,977 · App. 06/360,313
Single element slope and skew hanger
Inventor:
Tyrell T. Gilb
Patented Case
View Patent ↗
Granted: Jan 3, 1984
Filed: Mar 22, 1982
Inventor
Tyrell T. Gilb
Assignee (at issue)
Simpson Strong-Tie Company Inc.
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.