RJ

Roger Alexander Johnston

FS Framing Systems: 2 patents #1 of 9Top 15%
📍 Bratenahl, OH: #16 of 36 inventorsTop 45%
🗺 Ohio: #30,338 of 73,341 inventorsTop 45%
Overall (All Time): #1,827,249 of 4,157,543Top 45%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11821202 Prefabricated concrete form with stairs Kevin Roger Wyman, Trevor Frank Wyman 2023-11-21
11174634 Prefabricated concrete form with stairs Kevin Roger Wyman, Trevor Frank Wyman 2021-11-16