Granted Patent
Utility
US 4,929,921 · App. 07/324,474
Automatable fuse
Inventors:
Varinder K. Kalra, Keith Allen Spalding
Patented Case
View Patent ↗
Granted: May 29, 1990
Filed: Mar 16, 1989
Inventors
Varinder K. Kalra
Keith Allen Spalding
Assignee (at issue)
Cooper Industries Holdings
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.