Project XL
Subtitle: inventive thinking resource directory.
Contributors: United States. Patent and Trademark Office.
Edition: Preliminary ed.
Publisher: U.S. Dept. of Commerce, Patent and Trademark Office
Published: 1989
Place of publication: [Washington, D.C.]
Language: eng
Subjects: Technological innovations.; Inventions.; Creative thinking -- Study and teaching.
Notes: "April 1989."