William Blacklaw

📍 Portland, OR: #3,756 of 9,213 inventorsTop 45%

🗺 Oregon: #10,188 of 28,073 inventorsTop 40%

Overall (All Time): #1,657,816 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
5211416	Trailer coupling adaptor	—	1993-05-18
5033764	Locking trailer coupling	—	1991-07-23
4721324	Locking mechanism for trailer coupling	—	1988-01-26