Pennsylvania Highlands Community College - Iron, Coal, and Steel Industry Collection

Active Filters:
  • Location Covered = Washington (D.C.)

About This Collection

This collection contains items relating to the iron, coal, and steel industry in Johnstown.
Displaying 3 items
Filter

Subject

Original Format

Date

Language

Contributing Institution
Rejection of Patent Application
Rejection of Patent Application
Patents
Letter from U.S. Patent Office about rejection of patent application for Railway Car Truck Fastener.
Rejection of Patent Application
Rejection of Patent Application
Patents
Letter from U.S. Patent Office Commisioner of Patents Robert C. Watson about rejection of patent application for Railway Car Truck Fastener.
Rejection of Patent Application
Rejection of Patent Application
Patents
Letter from U.S. Patent Office about rejection of patent application for Railway Car Truck Fastener.