Granted Patent
Utility
US 4,968,071 · App. 07/326,178
Security gate operable with one hand
Inventor:
Carl M. Stern
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Mar 17, 1989
Inventor
Carl M. Stern
Assignee (at issue)
Innova Development Corporation
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.