Granted Patent
Utility
US 4,655,746 · App. 06/803,816
Catheter device
Inventors:
John R. Daniels, Erik T. Engelson, Garbriel B. Vegh
Patented Case
View Patent ↗
Granted: Apr 7, 1987
Filed: Dec 2, 1985
Inventors
John R. Daniels
Erik T. Engelson
Garbriel B. Vegh
Assignee (at issue)
Target Therapeutics, 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.