Granted Patent
Utility
US 6,048,063 · App. 09/184,693
Underwater contact lens
Inventors:
Michael H. Fritsch, Thomas Fritsch
Patented Case
View Patent ↗
Granted: Apr 11, 2000
Filed: Nov 2, 1998
Inventors
Michael H. Fritsch
Thomas Fritsch
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.