Pressure BioSciences Inc. (NSDQ:PBIO) inked a research and development deal with the U.S. military and the American Registry of Pathology.

The deal will see the South Easton, Mass.-based company co-develop pressure-based methods to enhance the extraction of DNA, RNA, proteins, lipids and other mall molecules from tissue samples.

Winter weather and an expensive patents battle combined to reduce revenues and increase the net loss at Pressure BioSciences during the first quarter of 2010.