DM

Donald Joseph Manderfeld

PI Phillips & Temro Industries: 2 patents #17 of 33Top 55%
DA Datacard: 1 patents #85 of 168Top 55%
📍 Richfield, MN: #85 of 268 inventorsTop 35%
🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%
Overall (All Time): #1,400,814 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
11772447 Universal mounting plate for an auxiliary air conditioning system John David Sweazey, Jeffrey James Martell, Eric Graham Ruggles 2023-10-03
10974565 Universal mounting plate for an auxiliary air conditioning system John David Sweazey, Jeffrey James Martell, Eric Graham Ruggles 2021-04-13
5009411 Input hopper apparatus Robert A. Sells 1991-04-23