Granted Patent
Utility
US 4,233,360 · App. 05/945,723
Non-antigenic collagen and articles of manufacture
Inventors:
Edward E. Luck, John R. Daniels
Patented Case
View Patent ↗
Granted: Nov 11, 1980
Filed: Sep 25, 1978
Inventors
Edward E. Luck
John R. Daniels
Assignee (at issue)
COLLAGEN 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.