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Douglas Hirtz

UNUnknown: 1 patents #265 of 3,190Top 9%

Fremont, MI: #1 of 2 inventorsTop 50%

Michigan: #3,395 of 9,817 inventorsTop 35%

Overall (2018): #170,944 of 503,207Top 35%

1 Patents 2018

Issued Patents 2018

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
D828670	Motorized cart	—	2018-09-11