Abstract: Camouflaged apparel for use by a hunter in pursuing waterfowl, in which the apparel is designed to be observed by the pursued waterfowl, includes apparel that resembles the coloration of a selected species of waterfowl. The apparel conceals the hunter that is wearing the apparel and has an exterior appearance that visibly resembles the appearance features of the selected species of waterfowl in order to entice the waterfowl to approach the concealed hunter.

Abstract: A camouflage pattern for use on clothing and other articles for concealing a hunter or outdoorsman in a forest undergrowth comprised primarily of fan-shaped palmetto palm plants. The pattern is comprised of a background of varying shades of gray overlaid by successive patterns of plants having extending, long, flat, fan-shaped, pointed, finger-like medium green foliage so as to depict fan-shaped palmetto palm plants intermittently interspersed with plants having downwardly bent, long, flat, fan-shaped, pointed, finger-like brown foliage. The plants of each successive pattern being smaller than those of the preceding pattern and having a slightly lighter shade of green foliage than that of the preceding pattern.

Abstract: A realistic appearing camouflage system for personal wearing attire in which both the appearance and scale of a natural scene from an environment where the camouflage system is intended to be used is mimicked or enhanced. The camouflage system includes a first article of clothing imprinted with a portion of a photographic image of the natural scene in substantially the same scale as the natural scene. The camouflage system also includes a second article of clothing designed to be worn with the first article of clothing. The second article of clothing is imprinted with a second portion of the photographic image in substantially the same scale as the natural scene. The imprints of the first and second articles are located so that when the first and second articles are worn, the respective imprinted portions of the scene appear substantially continuous and the scene is reproduced both vertically and horizontally.

Abstract: A multi-dimensional camouflaged garment that has an external surface, a first portion of the external surface being formed of a three dimensional material and a second portion of the external surface being formed of a two dimensional material.

Abstract: A cryogenic rectification system employing an additional rectifying section in parallel with the lower section of the lower pressure column of a double column for producing product oxygen at both low and high purity.

Abstract: A camouflage and protective headgear which may be worn by a human. The headgear comprises an upper fabric portion which will encircle a portion of the head and forehead of a person wearing it. The top edge of the upper fabric portion falls along a line lying at approximately the hairline of the wearer and the bottom edge falls along a line lying at approximately the eyebrows of such a person. The upper fabric portion has an upwardly extending fringe along at least a portion of the top edge thereof. The upper fabric portion may also have a downwardly extending fringe along at least a portion of the bottom edge thereof. Preferably the headgear has a lower fabric portion encircling a portion of the nose and face of the person wearing it and having a top edge which falls along a line lying approximately at the bottom of the eyes of such person and a bottom edge which falls along a line lying at approximately at the bottom of the jaws and chin of such person.

Abstract: A helmet including a camouflage band retaining system for retaining an elastic camouflage band about the upper portion of a helmet dome. The elastic camouflage band is useful for holding camouflage elements against the outer surface of the dome. The camouflage band retaining system includes a plurality of straps attached to and spaced about the helmet and engaged with the elastic camouflage band so as to prevent the elastic camouflage band from sliding away from the rim, over the upper portion of the helmet and off of the helmet. A method for retaining an elastic camouflage band about a helmet is also disclosed and includes the steps of attaching a plurality of straps to the helmet so that the straps are spaced about the helmet and engaging the straps with the elastic camouflage band so as to prevent the elastic camouflage band from sliding away from the rim, over the upper portion of the helmet, and off of the helmet.