Granted Patent
Utility
US 5,897,797 · App. 08/744,620
Produce marking system
Inventors:
Greg Drouillard, Rowland W. Kanner
Patented Case
View Patent ↗
Granted: Apr 27, 1999
Filed: Nov 6, 1996
Inventors
Greg Drouillard
Rowland W. Kanner
Assignee (at issue)
ATRION MEDICAL PRODUCTS, 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.