Granted Patent
Utility
US 4,839,328 · App. 07/061,619
Catalyst material and a process for its preparation
Inventors:
Ricardo C. Pastor, Luisa E. Gorre, Lorna Christensen
Patented Case
View Patent ↗
Granted: Jun 13, 1989
Filed: Jun 15, 1987
Inventors
Ricardo C. Pastor
Luisa E. Gorre
Lorna Christensen
Assignee (at issue)
Hughes Aircraft 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.