AJ

Ayres W. Johnson

🗺 Washington: #35,300 of 76,902 inventorsTop 50%
Overall (All Time): #2,280,463 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
5540249 Automatic shutoff valve mechanism Daniel F. Healy 1996-07-30
4785842 Resettable vibration-actuated emergency shutoff mechanism — 1988-11-22