Granted Patent
Utility
US 5,139,745 · App. 07/503,682
Luminometer
Inventors:
Howard S. Barr, Gregory E. Sancoff, Mark McWilliams
Patented Case
View Patent ↗
Granted: Aug 18, 1992
Filed: Mar 30, 1990
Inventors
Howard S. Barr
Gregory E. Sancoff
Mark McWilliams
Assignee (at issue)
Block Medical, 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.