Harold R. Williams

AA Adb Alnaco: 2 patents #1 of 1Top 100%

📍 Maple Valley, WA: #1 of 8 inventorsTop 15%

🗺 Washington: #233 of 2,427 inventorsTop 10%

Overall (1997): #39,022 of 185,788Top 25%

Patents 1997

Issued Patents 1997

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5648723	Method and apparatus for separating and analyzing composite AC/DC waveforms	—	1997-07-15
5638057	Ground fault detection and measurement system for airfield lighting system	—	1997-06-10