Granted Patent
Utility
US 5,389,328 · App. 08/023,036
Process for the fabrication of orthopaedic aids based on epoxy resins and polyamines
Inventors:
Klaus Urban, Hans R. Felzl
Patented Case
View Patent ↗
Granted: Feb 14, 1995
Filed: Feb 24, 1993
Inventors
Klaus Urban
Hans R. Felzl
Assignee (at issue)
Ciba-Geigy
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.