Granted Patent
Utility
US 5,405,478 · App. 08/155,365
Tubular plastic end stops bonded to plastic zipper
Inventors:
Dale S. Richardson, Roger W. Smith
Patented Case
View Patent ↗
Granted: Apr 11, 1995
Filed: Nov 22, 1993
Inventors
Dale S. Richardson
Roger W. Smith
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.