DF

Donald Keith Fritts

BL Bs&B Safety Systems Limited: 2 patents #33 of 66Top 50%
📍 Tulsa, OK: #391 of 2,344 inventorsTop 20%
🗺 Oklahoma: #2,171 of 12,736 inventorsTop 20%
Overall (All Time): #1,019,659 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
8307847 Ejector valve with glands 2012-11-13
8016263 Ejector valve machine 2011-09-13
7784435 Particulate deflagration combustion engine 2010-08-31
5191990 Flash gas venting and flame arresting apparatus 1993-03-09
4951697 Rupture disk failure indicating apparatus 1990-08-28