This paper discusses the evaluation of patents as a measure of technical progress within the U.S. wood-based industry.
Research supported by the National Timber and Wood Products Requirements and Utilization Economics Work Unit, Forest Products Laboratory, USDA Forest Service, Madison, WI; and the Dept. of Forest Resources and the Agricultural Experiment Station, University of Minnesota, St. Paul, MN. Published as paper no. 1986 of the miscellaneous journal series of the Agricultural Experiment Station.
Margl, Richard A.; Ellefson, Paul V..
Trends in U.S. wood-based industrial technology : an evaluation of assigned patents..
University of Minnesota.
Retrieved from the University of Minnesota Digital Conservancy,
Content distributed via the University of Minnesota's Digital Conservancy may be subject to additional license and use restrictions applied by the depositor.