Granted Patent
Utility
US 5,664,786 · App. 08/606,483
Apparatus and method for use in handling sheet material articles
Inventors:
Michael C. Buschhaus, Richard B. Hawkes
Patented Case
View Patent ↗
Granted: Sep 9, 1997
Filed: Mar 4, 1996
Inventors
Michael C. Buschhaus
Richard B. Hawkes
Assignee (at issue)
Heidelberg Finishing Systems
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.