Granted Patent
Utility
US 4,755,374 · App. 06/887,000
Aluminum hydroxide production
Inventors:
Edward S. Martin, Mark L. Weaver
Patented Case
View Patent ↗
Granted: Jul 5, 1988
Filed: Jul 18, 1986
Inventors
Edward S. Martin
Mark L. Weaver
Assignee (at issue)
Aluminum Company of America
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.