World's Wackiest Inventions

Compiled From the Records of the United States Patent Office

Dover Publications (Jun 01, 1970)

9780486225968

| Soft Cover

128 pages | 5.3 x 8.7 inch | English

$ 5.00 | Value: $ 5.00

Dewey 817

LC Classification T223.Z1 .B85 1970

LC Control No. 74107666

Subject

Hilarious but real inventions including edible tie pin, automatically tipping hat, metal locket for storing chewed gum ? all patented

Retail Price	$ 5.00
Value	$ 5.00