Matthews David S

USPTO Trademark & Patent Filings

Trademark applications and grants for Matthews David S. Matthews David S has 1 trademark applications. The latest application filed is for "LASERLEV"

Company Profile

Matthews, David S.
s david matthews
Matthews; David S. - Oxnard CA
Matthews; David S. - Ballston Spa NY
Matthews; David S. - Howell MI
Matthews; David S. - Rochester NY

Trademarks Patents

Patent Applications

Patent Application	Date
Differential negative impedance converters and inverters with variable or tunable conversion ratios 20120256709 - 13/441730 Hitko; Donald A. ; et al.	2012-10-11
WATER TREATMENT DEVICE 20110278236 - 13/107450 Matthews; David S.	2011-11-17
Method of crank signal disturbance compensation 20080078361 - 11/542672 Matthews; David S. ; et al.	2008-04-03
DEVICE FOR DISPERSING AND DISTRIBUTING A FLUID 20070138073 - 11/671553 Matthews; David S.	2007-06-21
Device for dispersing and distributing a fluid 20060231642 - 11/402402 Matthews; David S.	2006-10-19
Differential negative impedance converters and inverters with variable or tunable conversion ratios 8,988,173 - 13/441,730 Hitko , et al. March 24, 2	2015-03-24
Differential negative impedance converters and inverters with variable or tunable conversion ratios 8,988,173 - 13/441,730 Hitko , et al. March 24, 2	2015-03-24
Method and system for ordered fault clearance 7,239,979 - 11/529,068 McComber , et al. July 3, 2	2007-07-03
Fault notes user interface for a printing system 6,970,266 - 09/767,449 Matthews , et al. November 29, 2	2005-11-29
Video/text bi-directional linkage for software fault clearance applications 6,920,613 - 09/939,984 Dorsey , et al. July 19, 2	2005-07-19

Patent Grants & Applications

Trademark Applications

Mark Image Registration \| Serial	Trademark Application Date
"LASERLEV" 78345276	LASERLEV 2003-12-23

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