JF

James E. Ferris

🗺 New York: #1,258 of 5,342 inventorsTop 25%
Overall (1989): #100,843 of 140,708Top 75%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4829829 Air conditioner test gauge with pressure zone markings — 1989-05-16