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Home
›
2018
›
Companies
›
Marshalltown
MA
Marshalltown
— 1 Patent in 2018
Rank
(2018):
#23,111
of
29,927
Top 80%
2
inventors
1
Patents 2018
Top Inventors at Marshalltown
2018
Showing
1–2
of
2
inventors
Rank
Name
Patents
1
Charles Henry Cowie
1
1
John T. Hughes
1
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