Welsh; David

Patent Applications and Registrations

Patent applications and USPTO patent grants for Welsh; David.The latest application filed is for "realizing legally binding business contracts through service management models".

Company Profile

0.10.2

Welsh; David - Goleta CA US
Welsh; David - Kirkland WA
Welsh; David - Yorba Linda CA
Welsh; David - Monroeville PA

*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
Wavelength dependent optical switch Grant 8,639,069 - Helkey , et al. January 28, 2	2014-01-28
Realizing legally binding business contracts through service management models Grant 7,433,838 - Welsh , et al. October 7, 2	2008-10-07
Realizing legally binding business contracts through service management models App 20060111926 - Welsh; David ; et al.	2006-05-25
Method and apparatus for monitoring optical switches Grant 6,950,215 - Fant , et al. September 27, 2	2005-09-27
Optical switch package Grant 6,819,824 - Welsh , et al. November 16, 2	2004-11-16
Method and apparatus for indirect adjustment of optical switch reflectors Grant 6,819,815 - Corbalis , et al. November 16, 2	2004-11-16
Method and apparatus for hermetically sealing fiber array blocks Grant 6,681,473 - Liu , et al. January 27, 2	2004-01-27
Optical cross-connect switch with integrated optical signal tap Grant 6,668,108 - Helkey , et al. December 23, 2	2003-12-23
Optical switch having switch mirror arrays controlled by scanning beams Grant 6,643,425 - Bowers , et al. November 4, 2	2003-11-04
Method and apparatus for monitoring optical switches App 20030012481 - Fant, Walt ; et al.	2003-01-16
Thermoplastic elastomer blends having improved resistance to oil Grant 4,209,594 - Welsh , et al. June 24, 1	1980-06-24

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