Granted Patent
Utility
US 4,044,112 · App. 05/632,059
Hot-pressable magnesium fluoride powder
Inventors:
Robert H. Moss, Carl F. Swinehart, William F. Spicuzza
Patented Case
View Patent ↗
Granted: Aug 23, 1977
Filed: Nov 14, 1975
Inventors
Robert H. Moss
Carl F. Swinehart
William F. Spicuzza
Assignee (at issue)
The Harshaw Chemical 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.