Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DH

Donald E. Hipchen

CECelotex: 4 patents #16 of 77Top 25%
Sanford, FL: #126 of 670 inventorsTop 20%
Florida: #13,170 of 67,251 inventorsTop 20%
Overall (All Time): #1,309,289 of 4,157,543Top 35%
4 Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
4386983 Method of making a foam structural laminate Michael J. Skowronski, Joseph R. Hagan 1983-06-07
4346133 Structural laminate and method for making same Michael J. Skowronski, Joseph R. Hagan 1982-08-24
RE30984 Structural laminate and method for making same Michael J. Skowronski, Joseph R. Hagan 1982-06-29
4284683 Structural laminate Michael J. Skowronski, Joseph R. Hagan 1981-08-18