Granted Patent
Utility
US 6,078,033 · App. 09/086,901
Multi-zone induction heating system with bidirectional switching network
Inventors:
Thomas J. Bowers, Chuck F. Der, James D. Parker
Patented Case
View Patent ↗
Granted: Jun 20, 2000
Filed: May 29, 1998
Inventors
Thomas J. Bowers
Chuck F. Der
James D. Parker
Assignee (at issue)
Pillar Industries
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.