The practical inventor's handbook
By: by Orville Greene and Frank Durr, with John Berseth.
Contributors: Durr, Frank, joint author.; Berseth, John, joint author.
Publisher: McGraw-Hill
Published: 1979
Place of publication: New York
Language: eng
Number of pages: 246
Subjects: Inventions.; Patents -- United States.
Notes: Bibliography: p. 239.
Includes index.