Granted Patent
Utility
US 5,338,426 · App. 07/936,979
Horizontal polyacrylamide gel electrophoresis
Inventors:
John Shigeura, John Bridgham, Louis B. Hoff, P. Eric Mayrand
Patented Case
View Patent ↗
Granted: Aug 16, 1994
Filed: Aug 28, 1992
Inventors
John Shigeura
John Bridgham
Louis B. Hoff
P. Eric Mayrand
Assignee (at issue)
APPLIED BIOSYSTEMS, LLC
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.