Microform Data Systems, Inc.

Also on record

Records under this name other than patents Microform Data Systems, Inc. holds now: patents now held by others, patents whose terms have ended, and its applications, pending or abandoned.

Showing 1 to 7 of 7 · Back to Microform Data Systems, Inc.

Patent	Title	Status	Expires	Confidence
US 3,942,885	Microfiche reader Term ended Term ended no later than Mar 9, 1996 · Low confidence	Term ended	Term ended no later than Mar 9, 1996	Low confidence
US 3,963,336	Film strip handling apparatus and method Term ended Term ended no later than Jun 15, 1996 · Low confidence	Term ended	Term ended no later than Jun 15, 1996	Low confidence
US 4,053,215	Film strip handling apparatus and method Term ended Term ended no later than Oct 11, 1997 · Low confidence	Term ended	Term ended no later than Oct 11, 1997	Low confidence
US 4,202,215	Sonic pulse-echo method and apparatus for determining attenuation coefficients Term ended Term ended no later than May 13, 2000 · Low confidence	Term ended	Term ended no later than May 13, 2000	Low confidence
US 4,202,613	Film strip handling apparatus and method Term ended Term ended no later than May 13, 2000 · Low confidence	Term ended	Term ended no later than May 13, 2000	Low confidence
US 4,204,573	Heat exchanger with concentric flow tubes Formerly held Term ended Term ended no later than May 27, 2000 · Low confidence	Term ended	Term ended no later than May 27, 2000	Low confidence
US 4,204,753	Rotary film strip holding apparatus Formerly held Term ended Term ended no later than May 27, 2000 · Low confidence	Term ended	Term ended no later than May 27, 2000	Low confidence