Granted Patent
Utility
US 5,313,997 · App. 07/974,913
Tire valve stem stabilizing and supporting device
Inventors:
Donald R. Bias, Donald R. Bias
Patented Case
View Patent ↗
Granted: May 24, 1994
Filed: Nov 12, 1992
Inventors
Donald R. Bias
Donald R. Bias
Assignee (at issue)
Aluminum Company of America
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.