Granted Patent
Utility
US 5,637,460 · App. 08/344,570
Restrained multifunctional reagent for surface modification
Inventors:
Dale G. Swan, Charles A. Hastings
Patented Case
View Patent ↗
Granted: Jun 10, 1997
Filed: Nov 23, 1994
Inventors
Dale G. Swan
Charles A. Hastings
Assignee (at issue)
BSI Corporation
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.