DH

David C. Harvey

HP HP: 28 patents #347 of 16,619Top 3%
KL Kenwood Limited: 2 patents #71 of 319Top 25%
📍 Portland, OR: #575 of 9,213 inventorsTop 7%
🗺 Oregon: #1,206 of 28,073 inventorsTop 5%
Overall (All Time): #112,176 of 4,157,543Top 3%
32
Patents All Time

Issued Patents All Time

Showing 26–32 of 32 patents

Patent #TitleCo-InventorsDate
8727516 Fluid cartridge David Olsen, Ralph L. Stathem 2014-05-20
8651643 Fluid cartridge Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter 2014-02-18
8651642 Fluid cartridge Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter 2014-02-18
D699785 Ink cartridge David Olsen, Ralph L. Stathem 2014-02-18
8474960 Fluid cartridge Curt Gonzales, Ralph L. Stathem, David Olsen, David Welter 2013-07-02
D680582 Ink cartridge David Olsen, Ralph L. Stathem 2013-04-23
D675252 Ink cartridge David Olsen, Ralph L. Stathem 2013-01-29