Granted Patent
Utility
US 5,878,658 · App. 08/980,796
Apparatus and method for marking two sides of a pellet-shaped article
Inventor:
E. Michael Ackley
Patented Case
View Patent ↗
Granted: Mar 9, 1999
Filed: Dec 1, 1997
Inventor
E. Michael Ackley
Assignee (at issue)
Ackley Machine Corporation
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.