Granted Patent
Utility
US 6,712,274 · App. 10/194,354
Permanent visual shock indicator
Inventors:
Paul Dvorkis, Edward Barkan, Henry Grosfeld, Timothy B. Austin, Vikram Bhargava
Patented Case
View Patent ↗
Granted: Mar 30, 2004
Filed: Jul 12, 2002
Inventors
Paul Dvorkis
Edward Barkan
Henry Grosfeld
Timothy B. Austin
Vikram Bhargava
Assignee (at issue)
Symbol Technologies, LLC
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.