Granted Patent
Utility
US 6,143,309 · App. 09/148,675
Delivery of hydroxy carboxylic acids
Inventors:
Gary E. LeGrow, W. Leonard Terry, Jr.
Patented Case
View Patent ↗
Granted: Nov 7, 2000
Filed: Sep 4, 1998
Inventors
Gary E. LeGrow
W. Leonard Terry, Jr.
Assignee (at issue)
Archimica (Florida), 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.