DM

Duane G. Matz

BL Bs&B Safety Systems Limited: 1 patents #38 of 66Top 60%
📍 Broken Arrow, OK: #329 of 587 inventorsTop 60%
🗺 Oklahoma: #6,781 of 12,736 inventorsTop 55%
Overall (All Time): #4,079,876 of 4,157,543Top 100%
1
Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4363418 Knife blade apparatus for severing rupture disks — 1982-12-14