Ronald E. Barker

Redmond, OR: #1 of 3 inventorsTop 35%

Oregon: #179 of 893 inventorsTop 25%

Overall (1989): #64,698 of 140,708Top 50%

1 Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4811442	Sweeping apparatus	—	1989-03-14