Granted Patent
Utility
US 4,981,230 · App. 07/493,745
Composite cap including tamper indicating band
Inventors:
F. Paul Marshall, Frank H. Lecinski, Jr., Douglas G. Begley
Patented Case
View Patent ↗
Granted: Jan 1, 1991
Filed: Mar 15, 1990
Inventors
F. Paul Marshall
Frank H. Lecinski, Jr.
Douglas G. Begley
Assignee (at issue)
Continental White Cap, 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.