Home| FAQ | Search:Advanced|Person|Company| Type|Class | Login |
Quick search: |
All Patents in class 241/78 | |||||
Number | Date | Patentee | Title | Type | |
1,950,501 | Mar. 13, 1934 | J.J. MacKay | Rock crushing plant | ore processing apparatus | |
2,210,093 | Aug. 06, 1940 | S.J. Morrissey | Material handling device |