Granted Patent
Utility
US 4,452,243 · App. 06/354,374
Sanitary blood lancet device
Inventors:
Norbert Leopoldi, William P. Heinrich
Patented Case
View Patent ↗
Granted: Jun 5, 1984
Filed: Mar 3, 1982
Inventors
Norbert Leopoldi
William P. Heinrich
Assignee (at issue)
The Cloverline, 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.