Johnson, Jr.; Clark E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Johnson, Jr.; Clark E..The latest application filed is for "dial up telephone conferencing system controlled by an online computer network".

Company Profile

0.13.2

Johnson, Jr.; Clark E. - Madison WI
Johnson, Jr.; Clark E. - Waunakee WI
Johnson, Jr.; Clark E. - Minneapolis MN
Johnson, Jr.; Clark E. - Weston MA

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Dial up telephone conferencing system controlled by an online computer network Grant 8,855,278 - Johnson, Jr. , et al. October 7, 2	2014-10-07
Dial Up Telephone Conferencing System Controlled By An Online Computer Network App 20120140909 - Johnson, Jr.; Clark E. ; et al.	2012-06-07
Dial up telephone conferencing system controlled by an online computer network Grant 8,077,844 - Johnson, Jr. , et al. December 13, 2	2011-12-13
Dial Up Telephone Conferencing System Controlled by an Online Computer Network App 20090252310 - Johnson, JR.; Clark E. ; et al.	2009-10-08
Dial up telephone conferencing system controlled by an online computer network Grant 7,522,542 - Johnson, Jr. , et al. April 21, 2	2009-04-21
Dial up telephone conferencing system controlled by an online computer network Grant 6,661,779 - Johnson, Jr. , et al. December 9, 2	2003-12-09
Interactive display system Grant 6,593,972 - Johnson, Jr. July 15, 2	2003-07-15
Telephone call-back system controlled by an online data network in real-time Grant 6,480,474 - Johnson, Jr. , et al. November 12, 2	2002-11-12
Dial up telephone conferencing system controlled by an online computer network Grant 6,266,328 - Johnson, Jr. , et al. July 24, 2	2001-07-24
Dial up telephone conferencing system controlled by an online computer network Grant 6,072,780 - Johnson, Jr. , et al. June 6, 2	2000-06-06
Noise reduction system Grant 4,492,990 - Johnson, Jr. January 8, 1	1985-01-08
Analog recording system Grant 4,451,858 - Johnson, Jr. May 29, 1	1984-05-29
Magnetoresistor displacement sensor using a magnetoresistor positioned between relatively moving magnetized toothed members Grant 4,119,911 - Johnson, Jr. October 10, 1	1978-10-10
Sound Reproducing Apparatus In Which The Drive Means Operates In Response To A Prerecorded Control Signal Grant 3,846,831 - Johnson, Jr. , et al. November 5, 1	1974-11-05

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