Granted Patent
Utility
US 5,647,194 · App. 08/547,855
Elastomer closure spring
Inventors:
Phillip Scott, Marty D. Youman
Patented Case
View Patent ↗
Granted: Jul 15, 1997
Filed: Oct 25, 1995
Inventors
Phillip Scott
Marty D. Youman
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.