Granted Patent
Utility
US 4,379,650 · App. 06/183,724
Anchoring means for wall braces
Inventor:
David J. Frankenfield
Patented Case
View Patent ↗
Granted: Apr 12, 1983
Filed: Sep 2, 1980
Inventor
David J. Frankenfield
Assignee (at issue)
Burke, 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.