Granted Patent
Utility
US 5,781,394 · App. 08/813,981
Surge suppressing device
Inventors:
Ronald N. Lorenz, Frederick D. Parker
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Mar 10, 1997
Inventors
Ronald N. Lorenz
Frederick D. Parker
Assignee (at issue)
Fiskars Inc.
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.