David Williamson

City:

Tucson, Arizona

Country:

United States

Published Applications:

Last publication date:

2019-08-29

Top Assignees for applications by David Williamson

The entities that hold a legal rights for patent applications filed by inventor Williamson David:

GREEN WATER INNOVATIONS, LLC 2 Tucson, AZ United States
NIKON CORPORATION 1 Tokyo, Japan

Recent patent applications by Williamson David

David Williamson from Tucson, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2019-08-29

US20190261851A1

Human necessities

Catadioptric unit-magnification afocal pupil relay and optical imaging system employing the same

#2 | 2014-05-01

US20140116929A1

Performing operations; transporting

Grey Water Filtering System

#3 | 2013-05-23

US20130126402A1

Chemistry; metallurgy

Grey water filtering system

#4 | 2010-05-20

US20100122945A1

Performing operations; transporting

Grey water conservation mechanism

#5 | 2010-05-20

US20100122944A1

Performing operations; transporting

Grey water filtering system

#6 | 2010-05-20

US20100122741A1

Chemistry; metallurgy

Grey water control system

#7 | 2010-05-20

US20100122740A1

Fixed constructions

Grey water holding tank

#8 | 2010-05-20

US20100122739A1

Chemistry; metallurgy

Grey water distributed control system

#9 | 2010-05-20

US20100122738A1

Fixed constructions

Excess grey water disposal

InventorID:

255279 ⎘