Granted Patent
Utility
US 4,528,305 · App. 06/599,879
Epoxy resin modeling stock
Inventor:
Rebecca D. Henry
Patented Case
View Patent ↗
Granted: Jul 9, 1985
Filed: Apr 13, 1984
Inventor
Rebecca D. Henry
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.