Donald R. Vaughan

📍 Woodland, CA: #2 of 11 inventorsTop 20%

🗺 California: #4,598 of 17,285 inventorsTop 30%

Overall (1997): #157,405 of 185,788Top 85%

Patents 1997

Issued Patents 1997

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5692858	Apparatus for soil irrigation	—	1997-12-02