Response by the Authors

Technological Forecasting and Social Change

Volumn 72, Issue 8, 2005, Pages 995-1000

  Huebner, Jonathan ^a  

^a NONE

Author keywords

[No Author keywords available]

Indexed keywords

EID: 24644437441     PISSN: 00401625     EISSN: None     Source Type: Journal    
DOI: 10.1016/j.techfore.2005.05.008     Document Type: Note

References (9)

1. B. Bunch A. Hellemans The History of Science and Technology 2004 Houghton Mifflin Co. New York
2. J. Brockman The Greatest Inventions of the Past 2000 Years 2000 Simon & Schuster New York
3. U. Neisser (Ed.), The Rising Curve: Long-Term Gains in IQ and Related Measures 1998 American Psychological Association Washington
4. U.S. Patent Office, (ftp://ftp.uspto.gov/pub/patdata/).
5. U.S. Patent Office, U.S. Patent Activity Calendar Years 1790-2001. Updated 8 April 2002; http://www.uspto.gov/web/offices/ac/ido/oeip/ taf/h_counts.htm.
6. U.S. Patent Office, U.S. Patent Statistics Chart Calendar Years 1963-2003. Updated 31 August 2004; http://www.uspto.gov/web/offices/ac/ido/oeip/taf/us_stat.htm.
7. L. Johnston S. Williamson The Annual Real and Nominal GDP for the United States, 1789-Present Economic History Services 2004 (March) http://www.eh.net/hmit/gdp/
8. CIA, The World Factbook. Updated 21 April 2005; http://www.cia.gov/cia/publications/factbook/index.html.
9. R. Kurzweil, The Age of Spiritual Machines, Penguin Putnam Inc., New York, 1999, p.261.