Granted Patent
Utility
US 4,535,906 · App. 06/615,972
Bottle
Inventor:
Patricia A. Rowekamp
Patented Case
View Patent ↗
Granted: Aug 20, 1985
Filed: Jun 1, 1984
Inventor
Patricia A. Rowekamp
Assignee (at issue)
The Drackett 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.