Granted Patent
Utility
US 6,162,232 · App. 09/294,254
Instruments and techniques for high-velocity fluid abrasion of epidermal layers with skin cooling
Inventor:
John H. Shadduck
Patented Case
View Patent ↗
Granted: Dec 19, 2000
Filed: Apr 19, 1999
Inventor
John H. Shadduck
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.