Granted Patent
Utility
US 4,375,266 · App. 06/207,893
Down-locking dispensing pump with side-orificed, product-mixing ball hold-down
Inventor:
Wallace F. Magers
Patented Case
View Patent ↗
Granted: Mar 1, 1983
Filed: Nov 18, 1980
Inventor
Wallace F. Magers
Assignee (at issue)
Realex 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.