A bit about Technosphere: Technosphere technology was originally developed by Dr Solomon Steiner, 72 who is currently the chairman of Biodel corporation. Al Mann formed Mannkind corp around 2001 by merging Pharmaceutical discovery corporation (which Dr Steiner headed) and other companies that focused on oncology program. What attracted PDC was the unique pharmacokinetic profile of Technosphere particles.
More here: http://afresa.blogspot.com/2010/05/all-about-technosphere-technology.html