Granted Patent
Utility
US 5,184,319 · App. 07/474,168
Force feedback and textures simulating interface device
Inventor:
James F. Kramer
Patented Case
View Patent ↗
Granted: Feb 2, 1993
Filed: Feb 2, 1990
Inventor
James F. Kramer
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.