Bremond, Texas
United States
3
2014-09-11
Rick Presley from Bremond, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Hydraulic switch machine for railroads
#2 | 2011-06-09External point spring locking device
#3 | 2011-03-03Hydraulic switch machine for railroads
900352 ⎘