Granted Patent
Utility
US 5,093,422 · App. 07/513,417
Low stress relaxation extrudable elastomeric composition
Inventor:
Glenn R. Himes
Patented Case
View Patent ↗
Granted: Mar 3, 1992
Filed: Apr 23, 1990
Inventor
Glenn R. Himes
Assignee (at issue)
SHELL OIL 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.