Granted Patent
Utility
US 6,206,957 · App. 09/292,952
Tricalcium phosphate-containing biocement pastes comprising cohesion promoters
Inventors:
Ferdinand Driessens, Robert Wenz
Patented Case
View Patent ↗
Granted: Mar 27, 2001
Filed: Apr 16, 1999
Inventors
Ferdinand Driessens
Robert Wenz
Assignee (at issue)
Merck Patent GmbH
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.