Granted Patent
Utility
US 6,355,487 · App. 09/846,467
Apparatus and method for transferring small volumes of substances
Inventor:
Reid B. Kowallis
Patented Case
View Patent ↗
Granted: Mar 12, 2002
Filed: Apr 30, 2001
Inventor
Reid B. Kowallis
Assignee (at issue)
PE Corporation (NY)
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.