Granted Patent
Utility
US 5,115,861 · App. 07/692,562
Tubing guide
Inventor:
Tibor Laky
Patented Case
View Patent ↗
Granted: May 26, 1992
Filed: Apr 29, 1991
Inventor
Tibor Laky
Assignee (at issue)
Otis Engineering 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.