Granted Patent
Utility
US 3,973,913 · App. 05/653,346
Blood control standard
Inventor:
Allan L. Louderback
Patented Case
View Patent ↗
Granted: Aug 10, 1976
Filed: Jan 29, 1976
Inventor
Allan L. Louderback
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.