RA

Ronald Armstrong

📍 Abbotsford, CA: #2 of 18 inventorsTop 15%
Overall (2018): #59,886 of 503,207Top 15%
3
Patents 2018

Issued Patents 2018

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10030350 Manhole frame with one or more handholds 2018-07-24
10030351 Manhole frame with one or more handholds 2018-07-24
10030352 Manhole frame with one or more handholds 2018-07-24