JM

John A. MacDonald

RA Railtech: 3 patents #1 of 3Top 35%
BI Brimrock International: 2 patents #5 of 7Top 75%
GE: 1 patents #19,878 of 36,430Top 55%
Overall (All Time): #743,705 of 4,157,543Top 20%
7
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
8425783 System and method that removes contaminants from sulfur Leslie L. Lang, Paul Larson 2013-04-23
7918994 System that removes contaminants from sulfur Leslie L. Lang, Paul Larson 2011-04-05
7347671 Turbine blade turbulator cooling design Kevin Dorling 2008-03-25
5566938 Artificial curling rink 1996-10-22
5229727 Hermetically sealed microstrip to microstrip transition for printed circuit fabrication Richard D. Clark, John A. Windyka, Leonard H. Yorinks, Stephen C. Miller 1993-07-20
D288821 Gear housing 1987-03-17
4438595 Plug door assembly 1984-03-27