Granted Patent
Utility
US 6,041,257 · App. 09/358,134
Method of using a measuring instrument and data gathering system
Inventors:
Ian G. MacDuff, Daniel J. Powers, Clinton S. Cole
Patented Case
View Patent ↗
Granted: Mar 21, 2000
Filed: Jul 19, 1999
Inventors
Ian G. MacDuff
Daniel J. Powers
Clinton S. Cole
Assignee (at issue)
Heartstream, 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.