DH

David D. Hall

HP HP: 5 patents #2,937 of 16,619Top 20%
IN Ingersoll-Rand: 1 patents #412 of 828Top 50%
📍 Sammamish, WA: #712 of 2,558 inventorsTop 30%
🗺 Washington: #14,643 of 76,902 inventorsTop 20%
Overall (All Time): #732,565 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Showing 1–7 of 7 patents

Patent #TitleCo-InventorsDate
10369788 Printhead with recessed slot ends Rio Rivas, Ed Friesen, Terry McMahon, Donald W. Schulte 2019-08-06
9707586 Printhead with recessed slot ends Rio Rivas, Ed Friesen, Terry McMahon, Donald W. Schulte 2017-07-18
8336981 Determining a healthy fluid ejection nozzle Chien-Hua Chen, Donald W. Schulte, Terry McMahon, Ying Liao 2012-12-25
7924597 Data storage in circuit elements with changed resistance Donald W. Schulte, Terry McMahon 2011-04-12
7679426 Transistor antifuse device Donald W. Schulte, Terry McMahon 2010-03-16
6503373 Method of applying a coating by physical vapor deposition Michael J. J. Eerden, Gerald F. Hein, Antonius Hurkmans, William T. McCarthy, Gerrit Jan van der Kolk 2003-01-07
5325598 Variable aperture peep sight for bows Garret Hull 1994-07-05