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Ralph E. Ulm

UI Uis: 4 patents #1 of 13Top 8%
📍 Fairfield, IL: #11 of 58 inventorsTop 20%
🗺 Illinois: #21,447 of 84,256 inventorsTop 30%
Overall (All Time): #1,272,736 of 4,157,543Top 35%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
6397822 Integrated fuel system unit with two-stage marine fuel pump Bruce Stephen, Rodney Boutwell, Paul M. Meyer 2002-06-04
6240904 Stand alone multi stage fuel pump Paul M. Meyer, Rodney Boutwell, Bruce Stephens 2001-06-05
5961293 In-take fuel pump assembly with unitary control unit for internal combustion engines Robert T. Clemmons 1999-10-05
5908020 Marine fuel pump and cooling system Rodney Boutwell 1999-06-01