Bertram L. Morrison

AI Acf Industries Incorporated: 2 patents #46 of 178Top 30%

VG Vetco Gray: 1 patents #168 of 364Top 50%

Overall (All Time): #1,676,829 of 4,157,543Top 45%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
4709725	Metal-to-metal seal structure	—	1987-12-01
4273309	Valve mechanism incorporating universal seat spring	—	1981-06-16
4247080	Seal assembly for valves	—	1981-01-27