Granted Patent
Utility
US 5,951,941 · App. 09/137,658
Block copolymer elastomer catheter balloons
Inventors:
Lixiao Wang, Jianhua Chen
Patented Case
View Patent ↗
Granted: Sep 14, 1999
Filed: Aug 21, 1998
Inventors
Lixiao Wang
Jianhua Chen
Assignee (at issue)
Scimed Life Systems, 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.