Help for the struggling inventor
By: by R.B. Hall.
Edition: 1st ed.
Publisher: R.B. Hall
Published: 1993
Place of publication: St. Clair, MI (800 Waterloo, St. Clair 48079)
Language: eng
Number of pages: 136
Subjects: Inventions -- Marketing.; Patents.
Notes: Includes bibliographical references (p. 134) and index.