Granted Patent
Utility
US 5,779,964 · App. 08/122,399
Method of making a male catheter
Inventors:
Daniel P. Welch, Thomas D. Ryan, Erik M. Knutson
Patented Case
View Patent ↗
Granted: Jul 14, 1998
Filed: Sep 17, 1993
Inventors
Daniel P. Welch
Thomas D. Ryan
Erik M. Knutson
Assignee (at issue)
Mentor Partners, LLC
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.