United States Patent 3459124
Inventors:
Notbohm, Willard C.
Publication Date:
08/05/1969
Assignee:
BLACK CLAWSON CO
Other Classes:
100/49, 100/162R, 162/358.100, 100/47, 100/99
International Classes:
D21F3/06; D21F3/02; B30B3/04; B30B15/16
US Patent References:
| 3331313 | Calender stacks having transverse pressure sensing and adjustment means | | | |