- Pioneer Inventions and Pioneer Patents: A Lecture on Patent Law
- Charles A. Koza, John A. Anderson and Invincible Tool Co., Inc., Petitioners, v. Charles Drexler and Charles Drexler Co., Inc. U.S. Supreme Court Transcript of Record with Supporting Pleadings
- Pioneer inventions and pioneer patents: a lecture on patent law delivered to the senior engineering students of Purdue University of the classes of '22, '23 and '24 and previous classes.
- Pioneer Inventions and Pioneer Patents: A Lecture on Patent Law Delivered to the Senior Engineering Students of Purdue University
- Pioneer Inventions and Pioneer Patents: A Lecture on Patent Law Delivered to the Senior Engineering Students of Purdue University




