Granted Patent
Utility
US 4,678,470 · App. 06/738,993
Bone-grafting material
Inventors:
Aws S. Nashef, Todd Campbell
Patented Case
View Patent ↗
Granted: Jul 7, 1987
Filed: May 29, 1985
Inventors
Aws S. Nashef
Todd Campbell
Assignee (at issue)
American Hospital Supply Corp.
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.