Granted Patent
Utility
US 5,658,085 · App. 08/595,216
Toggle securing device for toggle joints in chain conveyors and the like
Inventors:
Gerhard Merten, Reinhold Brüggemann, Siegfried Schmidt
Patented Case
View Patent ↗
Granted: Aug 19, 1997
Filed: Feb 1, 1996
Inventors
Gerhard Merten
Reinhold Brüggemann
Siegfried Schmidt
Assignee (at issue)
DBT Deutsche Bergbau-Technik GmbH
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.