Granted Patent
Utility
US 5,113,785 · App. 07/590,902
Transport device for boards, especially those having a sensitive surface
Inventor:
Peter Martin
Patented Case
View Patent ↗
Granted: May 19, 1992
Filed: Oct 1, 1990
Inventor
Peter Martin
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.