Granted Patent
Utility
US 6,504,531 · App. 09/743,964
Detecting mechanical interactions
Inventor:
David Lee Sandbach
Patented Case
View Patent ↗
Granted: Jan 7, 2003
Filed: Jan 18, 2001
Inventor
David Lee Sandbach
Assignee (at issue)
Eleksen 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.