JH

Jeffrey L. Helfer

Eastman Kodak: 2 patents #87 of 729Top 15%
🗺 New York: #487 of 5,342 inventorsTop 10%
Overall (1989): #24,418 of 140,708Top 20%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4857054 Perfusion angioplasty catheter with pump assist 1989-08-15
4810653 Cuvette with non-flexing thermally conductive wall Johannes J. Porte, David H. Middleton 1989-03-07