Granted Patent
Utility
US 5,406,897 · App. 08/057,142
Planter with narrow row spacing capability
Inventor:
Larry J. Pingry
Patented Case
View Patent ↗
Granted: Apr 18, 1995
Filed: Apr 30, 1993
Inventor
Larry J. Pingry
Assignee (at issue)
AGCO 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.