The inventor's handbook
Subtitle: how to develop, protect, & market your invention
By: Robert Park.
Edition: 2nd ed.
Publisher: Betterway Publications
Published: 1990
Place of publication: White Hall, Va
Language: eng
Number of pages: 230
Subjects: Inventions -- Handbooks, manuals, etc.; Patents -- Handbooks, manuals, etc.
Notes: Includes bibliographical references (p. 183-187) and index.