Douglas Butler

UM United Memories: 1 patents #4 of 4Top 100%

SO Sony: 1 patents #794 of 2,482Top 35%

📍 Maple Grove, MN: #31 of 111 inventorsTop 30%

🗺 Minnesota: #1,405 of 4,663 inventorsTop 35%

Overall (2004): #232,878 of 270,089Top 90%

Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6815941	Bandgap reference circuit	—	2004-11-09