Granted Patent
Utility
US 5,283,932 · App. 08/074,577
Flexible plastic zipper slider with rigidizing structure for assembly with profiled plastic zipper
Inventors:
Dale S. Richardson, Roger W. Smith
Patented Case
View Patent ↗
Granted: Feb 8, 1994
Filed: Jun 10, 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.