Granted Patent
Utility
US 4,623,412 · App. 06/768,935
Resin impregnated board
Inventors:
Reinhard Bohme, Steven D. Overholt
Patented Case
View Patent ↗
Granted: Nov 18, 1986
Filed: Aug 26, 1985
Inventors
Reinhard Bohme
Steven D. Overholt
Assignee (at issue)
Champion International Corporation Limited
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.