Granted Patent
Utility
US 5,876,448 · App. 08/614,917
Esophageal stent
Inventors:
Richard J. Thompson, Joseph E. Laptewicz, Jr., Paul J. Thompson
Patented Case
View Patent ↗
Granted: Mar 2, 1999
Filed: Mar 13, 1996
Inventors
Richard J. Thompson
Joseph E. Laptewicz, Jr.
Paul J. Thompson
Assignee (at issue)
Schneider (USA) 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.