JH

John Ham

ZI Zih: 3 patents #65 of 277Top 25%
DP Data Products: 2 patents #28 of 148Top 20%
ZT Zebra Technologies: 1 patents #400 of 699Top 60%
Overall (All Time): #834,778 of 4,157,543Top 25%
6
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
10241733 Methods and apparatus for supplying power to a printer David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod W. DeMay +2 more 2019-03-26
9747062 Ethernet and USB powered printers and methods for supplying Ethernet and USB power to a printer David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod W. DeMay +2 more 2017-08-29
9189184 Ethernet and USB powered printers and methods for supplying Ethernet and USB power to a printer David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod W. DeMay +2 more 2015-11-17
8587825 Ethernet and USB powered printers and methods for supplying ethernet and USB power to a printer David L. Poole, Douglas A. Fox, Robert A. Ehrhardt, Eugene K. Brown, Rod W. DeMay +2 more 2013-11-19
4806031 Uniform print density and registration in an impact printer Paul Amdahl, Doina Mazilu 1989-02-21
4282583 Microprogrammable processor control printer system Sultan W. Khan, Richard A. Strissel 1981-08-04