DH

Daniel E. Hammett

SC Sweetheart Cup Company: 3 patents #13 of 43Top 35%
📍 Spring Grove, PA: #14 of 56 inventorsTop 25%
🗺 Pennsylvania: #23,606 of 74,527 inventorsTop 35%
Overall (All Time): #1,659,744 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
5085366 High gloss paper cup Ronald A. Durgin, Derek S. Matheson, Delvin K. Border, Carlton L. Kennet 1992-02-04
5078313 Wax-coated paperboard containers Derek S. Matheson, Wesley R. Bush, Carton L. Kemmet, Donald C. Lundgren, David W. Norwood +3 more 1992-01-07
5039560 Method for producing high gloss cup Ronald A. Durgin, Derek S. Matheson, Delvin K. Border, Carlton L. Kemmet 1991-08-13