Granted Patent
Utility
US 5,246,148 · App. 07/933,334
Dispensing closure assembly for plastic blow molded container
Inventors:
William A. Slat, Richard C. Darr
Patented Case
View Patent ↗
Granted: Sep 21, 1993
Filed: Aug 21, 1992
Inventors
William A. Slat
Richard C. Darr
Assignee (at issue)
Plastipak Packaging, Inc.
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.