Title:
Defibration processes
United States Patent 2771361


Inventors:
Clarence, Birdseye
Stuck, Harold D.
Application Number:
US26035251A
Publication Date:
11/20/1956
Filing Date:
12/07/1951
Assignee:
Process, Evaluation Devel
Primary Class:
Other Classes:
162/22, 162/56
International Classes:
D21B1/12
View Patent Images:
Foreign References:
FR537038A1922-05-13