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Patents and copyright infringements - Hydraulic Dredge, 1908
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Metallic Packing, 1908
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Outside Steam Pipes on Engines, 1917
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Perry Side Bearings, 1907-1908
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Railway Chairs, 1908
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Reinforced Concrete Slabs, 1915
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Steam Boiler Cleaner, 1918
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Unloading Platform for Automobiles, 1926
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright infringements - Tie Plates, 1920
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
Patents and copyright license or royalty use - Blundell’s Low Water Signal, 1917
Level of Description
File
Archival Collection
Union Pacific Railroad Collection
Archival Component
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