Great Inventions Good Intention

by Eric Baker, Jane C. Martin, Jana Martin

Includes over 500 drawings filed with the United States Patent Office in the years 1930-1945.

• Format: Paperback
• Language: English
• ISBN: 0877017603
• ISBN13: 9780877017608
• Release Date: January 1990
• Publisher: Chronicle Books (CA)
• Length: 144 Pages
• Weight: 1.40 lbs.
• Dimensions: 0.3" x 9.6" x 10.0"