Title:
MINING MACHINE
United States Patent 3550961

Inventors:
Hughes, Charles R.
Publication Date:
12/29/1970
View Patent Images:
Download PDF 3550961 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
Hughes, Charles R.
Primary Class:
299/71
Other Classes:
299/64, 299/72
International Classes:
E21C27/24; E21C27/00; E21C27/24




<- Previous Patent (EXCAVATOR TOOTH DRIV...)   |   Next Patent (CUTTER BAR ASSEMBLY) ->