Ogden, Utah
United States
8
2012-07-26
David Ollendick from Ogden, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Rehabilitation of discarded wooden railroad ties having disabling cracks in the ends of the ties
#2 | 2009-07-16Rehabilitation of discarded wooden railroad ties having disabling cracks in the ends of the ties
#3 | 2008-05-29Spikeless tie plate fasteners, pre-plated railroad ties and related assemblies and methods
#4 | 2007-12-20Rehabilitation of discarded wooden railroad ties having disabling cracks in the ends of the ties
#5 | 2007-10-25Securing spikes in pre-existing loosened spike cavities in railroad ties
#6 | 2007-01-18Anti-mud pumping railroad ties, pre-plated railroad ties and related methods
#7 | 2006-09-28Spikeless tie plate fasteners, pre-plated railroad ties and related assemblies and methods
#8 | 2006-09-28Spikeless tie plate fasteners, pre-plated railroad ties and related assemblies and methods
3221377 ⎘