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James E. Welk — 2 Patents

Killaloe, CA: #1 of 1 inventorsTop 100%

Overall (All Time): #2,248,176 of 4,157,543Top 55%

2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
5890682	Railway crossing collision avoidance system	—	1999-04-06
5699986	Railway crossing collision avoidance system	—	1997-12-23