Granted Patent
Utility
US 6,699,237 · App. 10/037,053
Tissue-lifting device
Inventors:
Paul J. Weber, Michael Weber, Luiz B. Da Silva
Patented Case
View Patent ↗
Granted: Mar 2, 2004
Filed: Dec 31, 2001
Inventors
Paul J. Weber
Michael Weber
Luiz B. Da Silva
Assignee (at issue)
Pearl Technology Holdings, 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.