Granted Patent
Utility
US 5,029,378 · App. 07/553,776
Method for making an adjustable sign holder
Inventors:
Harold L. Stocker, William H. Farr
Patented Case
View Patent ↗
Granted: Jul 9, 1991
Filed: Jul 13, 1990
Inventors
Harold L. Stocker
William H. Farr
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.