Granted Patent
Utility
US 5,858,083 · App. 08/858,243
Cementitious gypsum-containing binders and compositions and materials made therefrom
Inventors:
Elisha Stav, Edward A. Burkard, Ronald S. Finkelstein, Daniel A. Winkowski, Lambert J. Metz, Patrick J. Mudd
Patented Case
View Patent ↗
Granted: Jan 12, 1999
Filed: May 19, 1997
Inventors
Elisha Stav
Edward A. Burkard
Ronald S. Finkelstein
Daniel A. Winkowski
Lambert J. Metz
Patrick J. Mudd
Assignee (at issue)
National Gypsum Company
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.