Title:
Ball-crusher
United States Patent 2937814


Inventors:
Albert, Joisel
Application Number:
US42760954A
Publication Date:
05/24/1960
Filing Date:
05/04/1954
Assignee:
Etudes, Rech CT. D. ET. DE. S. DE. L.
Primary Class:
Other Classes:
241/137
International Classes:
B02C17/08
View Patent Images:
US Patent References:
2209344Rock pulverizer1940-07-30
1951823Grinding mill1934-03-20
1144272N/A1915-06-22
0405810N/A1889-06-25
Foreign References:
FR401833A1909-09-17
GB436534A1935-10-14
GB527522A1940-10-10
DE660412C1938-03-11
DE661870C1938-11-11