US Patent: 159,481 - Improvement in Metal-Drilling Machines


	Home\| FAQ	Search:Advanced\|Person\|Company\| Type\|Class	Login


Quick search:	Patent number:	Patent Date:

US Patent: 159,481

Improvement in Metal-Drilling Machines

Patentee:

Claus Van Haagen (exact or similar names) - Philadelphia, PA

USPTO Classifications:

144/135.3, 408/98

Tool Categories:

metalworking machines : drilling and boring

Assignees:

Anthony Van Haagen - Philadelphia, PA

Manufacturer:

Not known to have been produced

Witnesses:

Thomas M. McIlvan

Harry Smith

William A. Steel

Patent Dates:
Applied:	Jun. 01, 1874
Granted:	Feb. 02, 1875

Patent Pictures:

USPTO (New site tip)
Google Patents
Report data errors or omissions to steward Jeff Joslin

Description:

Howson & son - patent attorneys

My invention relates to portable drilling-machines; and has for its objects the ready and secure attachment of the drill-stand to any desired fixed objects, the easy adjustment of the drill - spindle to any position which, circumstances may require, and the simple construction of mechanism, for rotating and feeding the said drill-spindle.