Granted Patent
Utility
US 5,952,907 · App. 08/834,997
Blind hole pot core transformer device
Inventors:
Michael D. McWilliams, Russell L. Machado
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Apr 7, 1997
Inventors
Michael D. McWilliams
Russell L. Machado
Assignee (at issue)
Pulse Engineering, 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.