Granted Patent
Utility
US 5,573,333 · App. 08/293,445
Demand responsive, continuous preparation of starch slurry for use in manufacturing gypsum products
Inventor:
Donald P. Dahlman
Patented Case
View Patent ↗
Granted: Nov 12, 1996
Filed: Aug 22, 1994
Inventor
Donald P. Dahlman
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.