Granted Patent
Utility
US 5,629,796 · App. 08/256,438
Image frame
Inventor:
Ian A. Shanks
Patented Case
View Patent ↗
Granted: May 13, 1997
Filed: Jul 12, 1994
Inventor
Ian A. Shanks
Assignee (at issue)
Central Research Laboratories Limited
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.