Granted Patent
Utility
US 4,874,079 · App. 07/153,311
Article transferring conveying system
Inventors:
Robert Leland Frenkel, Christopher S. Derks, Donald L. Armstrong
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Feb 8, 1988
Inventors
Robert Leland Frenkel
Christopher S. Derks
Donald L. Armstrong
Assignee (at issue)
Adolph Coors 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.