JR

John Roberts

RH Roberts Group Holdings: 2 patents #1 of 3Top 35%
🗺 Michigan: #677 of 6,370 inventorsTop 15%
Overall (2003): #59,512 of 273,478Top 25%
2
Patents 2003

Issued Patents 2003

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6632306 Method and apparatus for splicing drip irrigation tape Jack F. Butler 2003-10-14
6588680 Spray device for irrigation Scott Glenn Cameron 2003-07-08