Dougherty Forestry Mfg. (DFM) announced new branding and a new logo for its line of forestry mulching attachments for skid steers and compact track loaders. Now known as Mastodon Forestry Mulchers, ...

DFM was founded in by Patrick Dougherty to produce high quality equipment for land clearing, timber harvesting, and forestry mulching. DFM is a rapidly growing company committed to a vision of ...

OKLAHOMA CITY (Legal Newsline) – Larry L. Williams sued Dougherty Forestry Manufacturing, Ltd. on Friday over allegations that the company developed and sold products in violation of his patent.