Granted Patent
Utility
US 4,555,123 · App. 06/455,739
Protective flange for wheel castor housing
Inventor:
Houston Rehrig
Patented Case
View Patent ↗
Granted: Nov 26, 1985
Filed: Jan 5, 1983
Inventor
Houston Rehrig
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.