Complaint for Patent Infringement (Civil Action No. 1:12-cv-05152) filed on June 27, 2012 in the U.S. District Court for the Northern District of Illinois
Plaintiff: Donald J. Lanphere, Jr. — represented by
Unknown Firm; River Forest, IL
Attorneys: Charles Thomas Riggs
Defendant: Steve Lundgren
Patents in suit: D559502 – Helmet-shaped hat with facemask
by Lanphere, Jr.
D651355 – Helmet cap
by Schwabe et. al.