Granted Patent
Utility
US 3,951,889 · App. 05/530,476
Fluid absorbent alloy fibers
Inventor:
Frederick R. Smith
Patented Case
View Patent ↗
Granted: Apr 20, 1976
Filed: Dec 6, 1974
Inventor
Frederick R. Smith
Assignee (at issue)
FMC CORPORATION
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.