Granted Patent
Utility
US 5,890,582 · App. 08/670,029
Ball deck
Inventors:
Laura Lynn McKinnon, Chunguang Yuan, Michael A. Leon
Patented Case
View Patent ↗
Granted: Apr 6, 1999
Filed: Jun 25, 1996
Inventors
Laura Lynn McKinnon
Chunguang Yuan
Michael A. Leon
Assignee (at issue)
FMC 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.