Granted Patent
Utility
US 4,459,920 · App. 06/289,218
Dual purpose bracket
Inventor:
Norbert L. Cwik
Patented Case
View Patent ↗
Granted: Jul 17, 1984
Filed: Aug 3, 1981
Inventor
Norbert L. Cwik
Assignee (at issue)
Quake Industries, 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.