William Holden

📍 Seattle, WA: #675 of 3,993 inventorsTop 20%

🗺 Washington: #2,116 of 12,409 inventorsTop 20%

Overall (2018): #90,860 of 503,207Top 20%

Patents 2018

Issued Patents 2018

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
D827325	Paper towel holder	—	2018-09-04
9921550	Collapsible chess clock	—	2018-03-20