Christopher K. Duffey

City:

Clackamas, Oregon

Country:

United States

Published Applications:

Last publication date:

2009-12-24

Recent patent applications by Duffey Christopher K.

Christopher K. Duffey from Clackamas, US has applied for patents for these inventions. The list has both pending applications and granted patents:

#1 | 2009-12-24

US20090315329A1

Mechanical engineering

Variable speed synchronous generator

#2 | 2008-09-18

US20080223684A1

Mechanical engineering

System for generating constant speed output from variable speed input

InventorID:

4078032 ⎘