Granted Patent
Utility
US 6,146,884 · App. 09/375,101
Apparatus for the preparation of multiple pollen samples for cryogenic preservation
Inventors:
Daren Kenneth Coonrod, Norman Cloud, John A. Greaves, Raymond Russotti
Patented Case
View Patent ↗
Granted: Nov 14, 2000
Filed: Aug 16, 1999
Inventors
Daren Kenneth Coonrod
Norman Cloud
John A. Greaves
Raymond Russotti
Assignee (at issue)
Garst Seed Company
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.