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Ralph Ellis Grier — 2 Patents

Stewartsville, MO: #1 of 2 inventorsTop 50%

Missouri: #8,863 of 23,789 inventorsTop 40%

Overall (All Time): #2,169,909 of 4,157,543Top 55%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
7059683	Apparatus for operating commodity trailer hopper trap doors	—	2006-06-13
6966609	Apparatus for operating commodity trailer hopper trap doors	—	2005-11-22