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Christianus P. Langen

Emmeloord, NL: #1 of 2 inventorsTop 50%

Overall (1994): #36,901 of 165,921Top 25%

2 Patents 1994

Issued Patents 1994

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5351979	Two-wheeled vehicle	—	1994-10-04
5320372	Rolling device as game of skill	—	1994-06-14