Granted Patent
Utility
US 4,926,789 · App. 07/252,302
Transport apparatus for boards
Inventors:
Hartmut Wenger, Peter Martin, Hans Rotzinger, Martin Denz
Patented Case
View Patent ↗
Granted: May 22, 1990
Filed: Oct 3, 1988
Inventors
Hartmut Wenger
Peter Martin
Hans Rotzinger
Martin Denz
Assignee (at issue)
Ciba-Geigy
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.