Edward R. Ball

TB The Boeing: 2 patents #5,172 of 15,756Top 35%

📍 Bellevue, WA: #3,435 of 6,950 inventorsTop 50%

🗺 Washington: #35,300 of 76,902 inventorsTop 50%

Overall (All Time): #2,325,971 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4954782	Self-checking ohmmeter that checks for contact resistance of its probes	—	1990-09-04
4876515	Self-checking ohmmeter that checks for contact resistance of its probes	—	1989-10-24