Granted Patent
Utility
US 4,180,175 · App. 05/921,043
Blow molded plastic bottle and antitamper cap
Inventors:
John J. Virog, Jr., Leo Von Hagel
Patented Case
View Patent ↗
Granted: Dec 25, 1979
Filed: Jun 30, 1978
Inventors
John J. Virog, Jr.
Leo Von Hagel
Assignee (at issue)
Maxcap, 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.