Doug Wolff

📍 Marshall, MI: #4 of 9 inventorsTop 45%

🗺 Michigan: #1,659 of 6,198 inventorsTop 30%

Overall (2002): #226,827 of 266,432Top 90%

Patents 2002

Issued Patents 2002

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
6401660	Self-cleaning cat liter box	—	2002-06-11