Granted Patent
Utility
US 6,546,372 · App. 09/782,984
Assistance method and apparatus
Inventor:
Randall B. Lauffer
Patented Case
View Patent ↗
Granted: Apr 8, 2003
Filed: Feb 13, 2001
Inventor
Randall B. Lauffer
Assignee (at issue)
Keen.com, 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.