Granted Patent
Utility
US 5,199,243 · App. 07/826,092
Container
Inventors:
Frank Vlasaty, Robert J. Smith
Patented Case
View Patent ↗
Granted: Apr 6, 1993
Filed: Jan 27, 1992
Inventors
Frank Vlasaty
Robert J. Smith
Assignee (at issue)
American Colloid Company
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.