Granted Patent
Utility
US 4,415,664 · App. 06/411,158
Epiamine-based support matrix
Inventors:
Chester Barszcz, Ted Symon
Patented Case
View Patent ↗
Granted: Nov 15, 1983
Filed: Aug 25, 1982
Inventors
Chester Barszcz
Ted Symon
Assignee (at issue)
UOP 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.