Granted Patent
Utility
US 4,680,236 · App. 06/830,299
Electrodeless heterogeneous polypyrrole composite
Inventors:
Ronald E. Myers, Ephraim Buhks
Patented Case
View Patent ↗
Granted: Jul 14, 1987
Filed: Feb 18, 1986
Inventors
Ronald E. Myers
Ephraim Buhks
Assignee (at issue)
B. F. Goodrich 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.