Douglas Weeks

📍 Oroville, WA: #3 of 8 inventorsTop 40%

🗺 Washington: #48,111 of 76,902 inventorsTop 65%

Overall (All Time): #3,872,200 of 4,157,543Top 95%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5000449	Baseball pitching trainer	—	1991-03-19