Granted Patent
Utility
US 4,830,317 · App. 07/040,264
Automatic t-shirt rack/bag system
Inventors:
Karl Kober, Lawrence J. Krolak
Patented Case
View Patent ↗
Granted: May 16, 1989
Filed: Apr 17, 1987
Inventors
Karl Kober
Lawrence J. Krolak
Assignee (at issue)
Mobil Oil 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.