IPO Amicus Brief in Halo Electronics, Inc. v Pulse Electronics, Inc. et al. and Stryker Corp., et al. v. Zimmer, Inc., et al., 14-1513; 14-1520 IPO Amicus Brief in Halo Electornics, Inc. v Pulse Electronics, Inc. et al. and Stryker Corp., et al. v. Zimmer, Inc., et al., 14-1513; 14-1520