Granted Patent
Utility
US 4,213,825 · App. 05/716,684
Apparatus for testing reactions
Inventor:
Rolf Saxholm
Patented Case
View Patent ↗
Granted: Jul 22, 1980
Filed: Aug 23, 1976
Inventor
Rolf Saxholm
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.