Granted Patent
Utility
US 5,038,245 · App. 07/407,666
Method and apparatus for suppressing electrical transients
Inventor:
Lennart Gronskog
Patented Case
View Patent ↗
Granted: Aug 6, 1991
Filed: Sep 15, 1989
Inventor
Lennart Gronskog
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.