Granted Patent
Utility
US 5,638,947 · App. 08/513,443
Modular timer having multiple finished extension members
Inventor:
Kenneth R. Fenne
Patented Case
View Patent ↗
Granted: Jun 17, 1997
Filed: Aug 10, 1995
Inventor
Kenneth R. Fenne
Assignee (at issue)
BRK Brands, 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.