Granted Patent
Utility
US 5,842,592 · App. 08/059,089
Tamper-evident snap on cap with tear lever
Inventor:
James M. Beck
Patented Case
View Patent ↗
Granted: Dec 1, 1998
Filed: Apr 13, 1998
Inventor
James M. Beck
Assignee (at issue)
Creative Packaging Corp.
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.