EJ

Edward W. Johann

SP Spx: 1 patents #217 of 468Top 50%
UI United Dominion Industries: 1 patents #14 of 38Top 40%
📍 Michigan City, IN: #32 of 158 inventorsTop 25%
🗺 Indiana: #10,625 of 33,936 inventorsTop 35%
Overall (All Time): #1,599,153 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
6899561 Integrated latching, and electrical connecting device and method 2005-05-31
D486897 Boiler Neil Rolph, Shuqing Cui, Scott Ryan 2004-02-17
5961316 Oil burner James E. Wellman, Eric Warry, Donald C. Metrish 1999-10-05