Granted Patent
Utility
US 5,462,176 · App. 08/253,370
Latex detection system
Inventors:
Cliff E. Hereford, deceased, Joseph H. Malek
Patented Case
View Patent ↗
Granted: Oct 31, 1995
Filed: Jun 3, 1994
Inventors
Cliff E. Hereford, deceased
Joseph H. Malek
Assignee (at issue)
Brown & Williamson Tobacco Corporation
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.