DR

Dennis A. Ray

📍 Bemidji, MN: #16 of 129 inventorsTop 15%
🗺 Minnesota: #8,331 of 52,454 inventorsTop 20%
Overall (All Time): #571,812 of 4,157,543Top 15%
9
Patents All Time

Issued Patents All Time

Showing 1–9 of 9 patents

Patent #TitleCo-InventorsDate
9833080 Ergonomic lateral recumbency support apparatus and system 2017-12-05
5275344 Paster tab 1994-01-04
4979483 Diesel fuel heater 1990-12-25
4971018 Diesel fuel heater 1990-11-20
4846137 Fuel heater 1989-07-11
4829969 Spiral distributor fuel heater 1989-05-16
4827889 Fuel heater thermostat 1989-05-09
4367717 Fuel treating apparatus for engines 1983-01-11
4300513 Carburetor attachment 1981-11-17