Granted Patent
Utility
US 5,109,653 · App. 07/207,654
Sealing head including an induction heating coil
Inventors:
Charles S. Kubis, John Walter, Donald J. Roth, Glenn R. Mohr
Patented Case
View Patent ↗
Granted: May 5, 1992
Filed: Jun 16, 1988
Inventors
Charles S. Kubis
John Walter
Donald J. Roth
Glenn R. Mohr
Assignee (at issue)
Continental AG
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.