Granted Patent
Utility
US 4,124,962 · App. 05/816,002
Joist hanger
Inventors:
Harry B. Lancelot, III, Robert M. MacRobbie
Patented Case
View Patent ↗
Granted: Nov 14, 1978
Filed: Jul 15, 1977
Inventors
Harry B. Lancelot, III
Robert M. MacRobbie
Assignee (at issue)
BROWN 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.