Granted Patent
Utility
US 5,484,432 · App. 08/227,781
Collagen treatment apparatus
Inventor:
Bruce J. Sand
Patented Case
View Patent ↗
Granted: Jan 16, 1996
Filed: Apr 14, 1994
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.