MA

Michael Armstrong

CL Coal Industry (Patents) Limited: 3 patents #21 of 230Top 10%
📍 Carrollton, TX: #255 of 1,041 inventorsTop 25%
🗺 Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #983,163 of 4,157,543Top 25%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9889916 Marine engine drainage and coolant monitoring system with a single point drain Scott P. Loftin 2018-02-13
9527567 Marine engine drainage and coolant monitoring system Scott P. Loftin 2016-12-27
4428832 Screening apparatus Rodney W. O'Brian, Stanley Gilliver 1984-01-31
4308135 Sizing screens Rodney W. O'Brian, Stanley Gilliver 1981-12-29
4220526 Sizing screens and feeder devices therefor Rodney W. O'Brian 1980-09-02