Granted Patent
Utility
US 4,853,667 · App. 07/187,369
Wire robbin for inductive devices
Inventors:
Lothar Freimuth, Raymond H. Van Wagener
Patented Case
View Patent ↗
Granted: Aug 1, 1989
Filed: Apr 28, 1988
Inventors
Lothar Freimuth
Raymond H. Van Wagener
Assignee (at issue)
Magnetek Universal Mfg. Co.
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.