Granted Patent
Utility
US 4,315,136 · App. 06/099,585
Thermic developing stations
Inventors:
Dieter Block, Reinhard Gesell, Hans Peters
Patented Case
View Patent ↗
Granted: Feb 9, 1982
Filed: Dec 3, 1979
Inventors
Dieter Block
Reinhard Gesell
Hans Peters
Assignee (at issue)
Dr. Ing. Rudolf Hell 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.