WR

William Roby

HE Heinzen: 1 patents #3 of 5Top 60%
SR Southern Railway: 1 patents #5 of 16Top 35%
📍 Powder Springs, GA: #51 of 155 inventorsTop 35%
🗺 Georgia: #13,651 of 35,610 inventorsTop 40%
Overall (All Time): #1,989,690 of 4,157,543Top 50%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
9752322 Tubular support beam with self-draining surface Rudi Groppe, Erick Arthur Davidson 2017-09-05
4606430 Rail mounted safety restraint device Charles Mark Russell 1986-08-19