Granted Patent
Utility
US 3,973,197 · App. 05/490,913
Peak detector
Inventor:
Walter E. Meyer
Patented Case
View Patent ↗
Granted: Aug 3, 1976
Filed: Jul 22, 1974
Inventor
Walter E. Meyer
Assignee (at issue)
Koehring Company
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.