Granted Patent
Utility
US 4,740,663 · App. 07/000,075
Transverse flux induction heating unit
Inventors:
Donald J. Roth, Glenn R. Mohr
Patented Case
View Patent ↗
Granted: Apr 26, 1988
Filed: Jan 2, 1987
Inventors
Donald J. Roth
Glenn R. Mohr
Assignee (at issue)
Continental Can Company, 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.