Granted Patent
Utility
US 5,989,244 · App. 08/341,881
Method of use of a sheet of elastin or elastin-based material
Inventors:
Kenton W. Gregory, John M. Grunkemeier
Patented Case
View Patent ↗
Granted: Nov 23, 1999
Filed: Nov 15, 1994
Inventors
Kenton W. Gregory
John M. Grunkemeier
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.