David Warren Guthrie

US Patent:

46982264, Oct 6, 1987

Filed:

Jul 5, 1985

Appl. No.:

6/751301

Inventors:

David W. Guthrie - Tonasket WA

International Classification:

A23L 1212

US Classification:

426248

Abstract:

Methods and apparatus are disclosed for incorporating a design into the skin of an apple or other fruits or vegetables with a photochemically reactive skin or surface by covering the apples while still on the tree with a bag having a reflective outer surface and a non-reflective inner surface. The bag has at least one aperture to allow for the drainage of fluids out of the bag, and further has a light barrier positioned to block light from entering through the aperture into the interior of the bag. The bagged apples are harvested and transferred to a substantially light-exclusive environment where the bag is removed. A label or symbol is applied to the skin of the apple or fruit and the apple or fruit exposed to artificial light to develop the color of the skin of the apple.

US Patent:

47419091, May 3, 1988

Filed:

Aug 4, 1987

Appl. No.:

7/081667

Inventors:

David W. Guthrie - Tonasket WA

International Classification:

B65B 2900
B65B 2504
B65D 6516

US Classification:

426107

Abstract:

Methods and apparatus are disclosed incorporating a design into the skin of a apple or other fruits or vegetables with a photochemically reactive skin or surface by covering the apples while still on the tree with a bag having a reflective outer surface and a non-reflective inner surface. The bag has at least one aperture to allow for the drainage of fluids out of the bag, and further has a light barrier positioned to block light from entering through the aperture into the interior of the bag. The bagged apples are harvested and transferred to a substantially light-exclusive environment where the bag is removed. A label or symbol is applied to the skin of the apple or fruit and the apple or fruit exposed to artificial light to develop the color of the skin of the apple.