DM

David K. McElfresh

HP HP: 3 patents #243 of 1,918Top 15%
📍 San Diego, CA: #135 of 1,748 inventorsTop 8%
🗺 California: #2,413 of 28,521 inventorsTop 9%
Overall (2003): #31,974 of 273,478Top 15%
3
Patents 2003

Issued Patents 2003

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6575559 Joining of different materials of carrier for fluid ejection devices Mohammad Akhavain, Joseph E. Scheffelin, Gerald V. Rapp, Janis Horvath 2003-06-10
6557976 Electrical circuit for wide-array inkjet printhead assembly Noah Lassar, Mohammad Akhavain, Brian J. Keefe, Joseph E. Scheffelin, Janis Horvath +1 more 2003-05-06
6520624 Substrate with fluid passage supports Janis Horvath, Mohammad Akhavin, Joseph E. Scheffelin, Brian J. Keefe, Pere Esterri 2003-02-18