Granted Patent
Utility
US 5,199,602 · App. 07/675,755
Flexible retainer closure device
Inventor:
Terrence M. Drew
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Mar 27, 1991
Inventor
Terrence M. Drew
Assignee (at issue)
Alden Laboratories, 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.