With roots dating back to the early 1900’s GTP has proven to be an enduring company and reliable partner.  Beginning as the Patterson Screen Company, founded in 1916, developing phosphors for the X-Ray industry GTP has continued to grow its product portfolio and expertise.  From X-Ray phosphors in 1916 to Tungsten Powders in 1943 to Thermal Spray Powders in 1978 to Interconnect Plates for Solid Oxide Fuel Cells today, GTP has always positioned itself for the future.