Granted Patent
Utility
US 5,190,521 · App. 07/572,508
Apparatus and method for raising a skin wheal and anesthetizing skin
Inventors:
Vance M. Hubbard, Welton K. Brunson, V. C. Saied
Patented Case
View Patent ↗
Granted: Mar 2, 1993
Filed: Aug 22, 1990
Inventors
Vance M. Hubbard
Welton K. Brunson
V. C. Saied
Assignee (at issue)
Tecnol Medical Products, 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.