This is a collection of original US and European patent certificates and documents that were issued to inventor Karl Orndorff, Bonneauville, Pa, over a period of one-quarter century. The documents herein relate to Pat. No's: 4924974, 4926974, 4394809, 4514946, 4570754, 4635756, 4699251, 4708223, 4711322, 4712651, 4726449, 4749061 and 6653943.

A total of nineteen elevator, escalator and moving walkway patents have been issued to Karl Orndorff.