Granted Patent
Utility
US 5,679,381 · App. 08/475,320
Systems for manufacturing sheets from hydraulically settable compositions
Inventors:
Per Just Andersen, Simon K. Hodson
Patented Case
View Patent ↗
Granted: Oct 21, 1997
Filed: Apr 7, 1995
Inventors
Per Just Andersen
Simon K. Hodson
Assignee (at issue)
E. Khashoggi Industries, LLC
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.