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WE
Walter E. Earleson
PS
Progress Rail Services
: 1 patents #7 of 18
Top 40%
Overall (2016):
#189,703
of 481,213
Top 40%
1
Patents 2016
Issued Patents
2016
Profile Widget
Patent #
Title
Co-Inventors
Date
9415781
Dual engine locomotive
W. Jack Hardin
,
Roy Christopher Fonseca
2016-08-16
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