Granted Patent
Utility
US 6,030,636 · App. 09/145,671
Calcium sulfate controlled release matrix
Inventors:
Donald A. Randolph, Jodi L. Negri, Timothy R. Devine, Steven Gitelis
Patented Case
View Patent ↗
Granted: Feb 29, 2000
Filed: Sep 2, 1998
Inventors
Donald A. Randolph
Jodi L. Negri
Timothy R. Devine
Steven Gitelis
Assignee (at issue)
WRIGHT MEDICAL TECHNOLOGY, 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.