Granted Patent
Utility
US 4,577,629 · App. 06/546,418
Surgical cutting instrument for ophthalmic surgery
Inventor:
Miguel Martinez
Patented Case
View Patent ↗
Granted: Mar 25, 1986
Filed: Oct 28, 1983
Inventor
Miguel Martinez
Assignee (at issue)
Coopervision, 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.