DH

Dennis J. Heyden

KT King-Seeley Thermos: 2 patents #13 of 38Top 35%
📍 Browntown, WI: #2 of 2 inventorsTop 100%
🗺 Wisconsin: #17,084 of 40,088 inventorsTop 45%
Overall (All Time): #2,339,403 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4783002 Drinking fountain Doyle Raymer, Dipak J. Negandhi, Robert L. Latzko 1988-11-08
4600148 Drainless water cooler Doyle Raymer, Michael J. Eveland 1986-07-15