Granted Patent
Utility
US 4,590,938 · App. 06/607,219
Medical retriever device
Inventors:
Joseph Segura, James Francis Vance
Patented Case
View Patent ↗
Granted: May 27, 1986
Filed: May 4, 1984
Inventors
Joseph Segura
James Francis Vance
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.