Granted Patent
Utility
US 5,332,337 · App. 07/821,472
Particle feeding device and method for pyrolytic carbon coaters
Inventors:
David Wilde, Billie F. Hightower, James A. Accuntius
Patented Case
View Patent ↗
Granted: Jul 26, 1994
Filed: Jan 14, 1992
Inventors
David Wilde
Billie F. Hightower
James A. Accuntius
Assignee (at issue)
Carbon Implants, 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.