Dougherty; David

Patent Applications and Registrations

Patent applications and USPTO patent grants for Dougherty; David.The latest application filed is for "rotatable plow shovel apparatus".

Company Profile

2.5.6

Dougherty; David - Colorado Springs CO
DOUGHERTY; DAVID - Pleasanton CA
Dougherty; David - Moutain View CA
Dougherty; David - Sunnyvale CA
Dougherty, David - Mountain View CA

*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
Rotatable plow shovel apparatus Grant 11,326,315 - Dougherty May 10, 2	2022-05-10
Rotatable Plow Shovel Apparatus App 20210062445 - Dougherty; David	2021-03-04
Optics Within A Concentrated Photovoltaic Receiver Containing A Cpv Cell App 20120227796 - DOUGHERTY; DAVID ; et al.	2012-09-13
Multi-band arrayed waveguide grating with improved insertion loss and wavelength accuracy Grant 6,963,684 - Bhardwaj , et al. November 8, 2	2005-11-08
Waveguide stress engineering and compatible passivation in planar lightwave circuits Grant 6,947,653 - Bhardwaj , et al. September 20, 2	2005-09-20
Compact, low insertion loss, high yield arrayed waveguide grating Grant 6,697,553 - Bhardwaj , et al. February 24, 2	2004-02-24
Multi-band arrayed waveguide grating with improved insertion loss and wavelength accuracy App 20030174949 - Bhardwaj, Jyoti ; et al.	2003-09-18
Compact, low insertion loss, high yield arrayed waveguide grating App 20030156789 - Bhardwaj, Jyoti Kiron ; et al.	2003-08-21
Waveguide stress engineering and compatible passivation in planar lightwave circuits App 20030072548 - Bhardwaj, Jyoti Kiron ; et al.	2003-04-17

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