Granted Patent
Utility
US 5,374,265 · App. 07/926,331
Collagen treatment apparatus and method
Inventor:
Bruce J. Sand
Patented Case
View Patent ↗
Granted: Dec 20, 1994
Filed: Aug 6, 1992
Inventor
Bruce J. Sand
Assignee (at issue)
Laser Biotech, 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.