Granted Patent
Utility
US 5,298,254 · App. 07/809,580
Shaped, swollen demineralized bone and its use in bone repair
Inventors:
Annamarie B. Prewett, Roger C. Stikeleather, Simon Bogdansky, Robert K. O'Leary
Patented Case
View Patent ↗
Granted: Mar 29, 1994
Filed: Dec 17, 1991
Inventors
Annamarie B. Prewett
Roger C. Stikeleather
Simon Bogdansky
Robert K. O'Leary
Assignee (at issue)
Osteotech, Inc.
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.