Holiday Closing: The Library will be closed on Monday, January 19 in observance of Martin Luther King, Jr. Day

small text medium text large text

Pittsburgh Patentees
From Air Brakes to Zinc Furnaces:
Pittsburgh and Allegheny City Patentees 1790 - 1879

Search

  Pittsburgh Patentees
  Allegheny City Patentees

Helpful Resources

  Patent Pathfinder
  Notable Pittsburgh Inventors
  Notable Allegheny City Inventors


  Return to the top