Tech-Line Engineering Co.

Also on record

Records under this name other than patents Tech-Line Engineering Co. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 6 of 6 · Back to Tech-Line Engineering Co.

Patent	Title	Status	Expires	Confidence
US 5,051,020	Leak proof joint Term ended Term ended no later than Sep 24, 2011 · Low confidence	Term ended	Term ended no later than Sep 24, 2011	Low confidence
US 5,155,897	Leak proof joint and method and apparatus for forming same Term ended Term ended no later than Oct 20, 2012 · Low confidence	Term ended	Term ended no later than Oct 20, 2012	Low confidence
US 5,315,743	Apparatus for forming a clinch joint Term ended Term ended no later than May 31, 2014 · Low confidence	Term ended	Term ended no later than May 31, 2014	Low confidence
US 5,490,310	Apparatus and method for forming a clinch joint Term ended Term ended no later than Feb 13, 2016 · Low confidence	Term ended	Term ended no later than Feb 13, 2016	Low confidence
US 5,621,961	Method for forming a clinch joint technical field Term ended Term ended no later than Apr 22, 2017 · Low confidence	Term ended	Term ended no later than Apr 22, 2017	Low confidence
US 5,622,442	Apparatus and method for forming a clinch joint Term ended Term ended no later than Apr 22, 2017 · Low confidence	Term ended	Term ended no later than Apr 22, 2017	Low confidence