Granted Patent
Utility
US 4,056,466 · App. 05/385,488
Method of dewatering material containing solid matter and bound and unbound water
Inventor:
Hans H. Peters
Patented Case
View Patent ↗
Granted: Nov 1, 1977
Filed: Aug 3, 1973
Inventor
Hans H. Peters
Assignee (at issue)
Resources Conservation, Inc.
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.