RF

Raymond L. Fier

📍 Massillon, OH: #97 of 330 inventorsTop 30%
🗺 Ohio: #23,384 of 73,341 inventorsTop 35%
Overall (All Time): #1,585,256 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
7165911 Manhole cover riser assembly — 2007-01-23
4302126 Manhole cover support ring — 1981-11-24
4225266 Method and apparatus for adjusting the elevation of manhole covers — 1980-09-30