United States Patent 2554114
Inventors:
Menkin, Arthur H.
Morhardt, Charles H.
Publication Date:
05/22/1951
Assignee:
SHREDMASTER CORP
Other Classes:
83/500, 83/146, 83/165
International Classes:
B02C18/00
Foreign References:
| DE155138C | | | | |
| GB281170A | | | | |
| DE511762C | | | | |
| DE625464C | | | | |