Granted Patent
Utility
US 4,292,199 · App. 06/178,659
Method of preparing a support matrix
Inventors:
Ronald P. Rohrbach, Mary J. Maliarik
Patented Case
View Patent ↗
Granted: Sep 29, 1981
Filed: Aug 18, 1980
Inventors
Ronald P. Rohrbach
Mary J. Maliarik
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.