Granted Patent
Utility
US 4,909,140 · App. 06/893,395
Apparatus for splitting closed shell pistachio nuts
Inventors:
Charleton D. Burlock, Gerald E. Lemmons, David W. Williams
Patented Case
View Patent ↗
Granted: Mar 20, 1990
Filed: Aug 5, 1986
Inventors
Charleton D. Burlock
Gerald E. Lemmons
David W. Williams
Assignee (at issue)
Tenneco West, 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.