Granted Patent
Utility
US 5,963,021 · App. 09/075,481
Delayed contact closing apparatus and method for capacitors
Inventors:
Joseph P. Rostron, Lee E. Berkebile
Patented Case
View Patent ↗
Granted: Oct 5, 1999
Filed: May 11, 1998
Inventors
Joseph P. Rostron
Lee E. Berkebile
Assignee (at issue)
Siemens Power Transmission & Distribution, 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.