Granted Patent
Utility
US 5,088,971 · App. 07/674,649
Method of making protruding end stops for plastic reclosable fastener
Inventor:
Fox J. Herrington
Patented Case
View Patent ↗
Granted: Feb 18, 1992
Filed: Mar 22, 1991
Inventor
Fox J. Herrington
Assignee (at issue)
Mobil Oil 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.