Granted Patent
Utility
US 4,624,657 · App. 06/551,861
Medical devices having inflatable portions
Inventors:
Arnold S. Gould, Michael Ciannella
Patented Case
View Patent ↗
Granted: Nov 25, 1986
Filed: Nov 15, 1983
Inventors
Arnold S. Gould
Michael Ciannella
Assignee (at issue)
Medi-Tech Co., Ltd.
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.