Granted Patent
Utility
US 4,708,967 · App. 06/843,949
Thermosetting resin binder particles and methods for making waferboard
Inventors:
Rudolph Ferentchak, James F. Kozischek, Jerome E. Schwartz
Patented Case
View Patent ↗
Granted: Nov 24, 1987
Filed: Mar 25, 1986
Inventors
Rudolph Ferentchak
James F. Kozischek
Jerome E. Schwartz
Assignee (at issue)
Reheis Chemical 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.