U.S. Department of Commerce, Patent & Trademark Office ; producer, Scott J. Sugarman ; project director, Mark Reinhart ; writers, Steven A. Melnick, Jay Ryan, Clark A. Jablon ; produced in cooperation with Arlington Community Television
a film from California Newsreel ; a presentation of the University of Virginia ; executive producer, William Elwood ; produced and directed by Mykola Kulish ; written by William Elwood, Larry Adelman, Gary Weimberg, Larry Daressa, Mykola Kulish
by Chris Hegedus, D.A. Pennebaker, with David Dawkins ; Pennebaker Associates ; produced by State University of New York and Pennebaker Associates, Inc. ; coproduced with Channel Four Television, Swedish TV