Title:
Burrowing-machine
United States Patent 1372317

Inventors:
Saliger, Alois B.
Publication Date:
03/22/1921
View Patent Images:
Download PDF 1372317 pdf       PDF help
Export Citation:
Click for automatic bibliography generation
Assignee:
SALIGER SHIP SALVAGE CORP
Primary Class:
175/21
Other Classes:
405/184, 180/6.480, 180/6.700, 175/106, 175/96, 299/30, 299/17, 175/94, 299/81.100, 114/55
International Classes:
B63C7/24; B63C7/00