WH

William J. Hillegas

University of Michigan: 1 patents #7 of 40Top 20%
📍 Ann Arbor, MI: #27 of 244 inventorsTop 15%
🗺 Michigan: #263 of 3,452 inventorsTop 8%
Overall (1989): #13,131 of 140,708Top 10%
2
Patents 1989

Issued Patents 1989

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4880140 Filter-separator pour-out cap David E. Solomon 1989-11-14
4829004 Roller bottle system James Varani, David E. Solomon, David L. Melmoth 1989-05-09