Granted Patent
Utility
US 5,186,807 · App. 07/744,484
Electrophoresis gel slab cassettes having pull cords and methods
Inventors:
David Paul Sanford, Bruce R. Turner, Richard J. Heim
Patented Case
View Patent ↗
Granted: Feb 16, 1993
Filed: Aug 13, 1991
Inventors
David Paul Sanford
Bruce R. Turner
Richard J. Heim
Assignee (at issue)
Erie Scientific 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.