Granted Patent
Utility
US 4,619,370 · App. 06/703,334
Tamper resistant and tamper evident closures
Inventors:
Albert J. Agbay, Ralph H. Thomas, Sr.
Patented Case
View Patent ↗
Granted: Oct 28, 1986
Filed: Feb 20, 1985
Inventors
Albert J. Agbay
Ralph H. Thomas, Sr.
Assignee (at issue)
Robert Linkletter Associates, 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.