Gun Patents Set 35-Year Record as Limits on Sales Fail

Gunmakers such as Smith & Wesson Holding Corp. and Sturm Ruger & Co. are boosting firearms sales by building weapons that are more accurate and easier to use, with gun-related U.S. patents at a 35-year high.

http://www.bloomberg.com/news/2013-12-02/gun-patents-set-35-year-record-as-limits-on-sales-fail.html