Granted Patent
Utility
US 4,504,555 · App. 06/415,314
Composition and process for forming inorganic resins and resulting product
Inventors:
William L. Prior, William C. Sargeant
Patented Case
View Patent ↗
Granted: Mar 12, 1985
Filed: Sep 7, 1982
Inventors
William L. Prior
William C. Sargeant
Assignee (at issue)
Masonite Corporation
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.