Search
Images
Maps
Play
YouTube
News
Gmail
Drive
More
»
Advanced Patent Search
|
Web History
|
Sign in
Advanced Patent Search
Patents
www.google.ca
http://www.google.ca/patents/US751241?utm_source=gb-gplus-share
Patent US751241 - DRILL-JOINT
DRILL-JOINT
FRED ASH et al
› Overview
Abstract
Drawings
Description
Claims
Patent number
: 751241
Filing date
: 3 Jul 1903
Issue date
: 2 Feb 1904
Inventors
:
FRED ASH
,
FRED ASH
Current U.S. Classification
:
279/100
View patent at USPTO
Search USPTO Assignment Database
Referenced by
Citing Patent
Filing date
Issue date
Original Assignee
Title
US6860514
14 Jan 2003
1 Mar 2005
EarthjTool Company, L.L.C.
Drill string joint
Drawings
Drawings
