Granted Patent
Utility
US 5,696,571 · App. 08/590,996
Clip-on type sunglasses with bridge mounting
Inventors:
Jack N. Spencer, Charles L. Heck
Patented Case
View Patent ↗
Granted: Dec 9, 1997
Filed: Jan 24, 1996
Inventors
Jack N. Spencer
Charles L. Heck
Assignee (at issue)
Made in the Shades Optical, 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.