Granted Patent
Utility
US 5,656,055 · App. 08/448,773
Sheet shaping press
Inventors:
Robert G. Frank, Michael T. Fecik, Jean Florean
Patented Case
View Patent ↗
Granted: Aug 12, 1997
Filed: May 24, 1995
Inventors
Robert G. Frank
Michael T. Fecik
Jean Florean
Assignee (at issue)
PPG Industries, 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.