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Roger Sievers

Meppen, IL: #1 of 1 inventorsTop 100%

Illinois: #26,653 of 84,256 inventorsTop 35%

Overall (All Time): #1,505,096 of 4,157,543Top 40%

3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D763979	Throwing device	—	2016-08-16
9303942	Throwing device	—	2016-04-05
5099793	Farrowing shed	—	1992-03-31