Granted Patent
Utility
US 4,771,957 · App. 07/048,523
Apparatus and method for fabricating a low voltage winding for a toroidal transformer
Inventors:
Randall L. Schlake, Clark J. Hamkins, James D. Richerson
Patented Case
View Patent ↗
Granted: Sep 20, 1988
Filed: May 6, 1987
Inventors
Randall L. Schlake
Clark J. Hamkins
James D. Richerson
Assignee (at issue)
Kuhlman Corporation
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.