Abstract: A universal cell phone security band for displaying cell phones of various sizes includes a band that is placed around the phone. The band has a first end and a second end with notches extending from its edges. The band's second end is received in an adjustable slide at a slot including a wide portion configured to receive the notched second end and a narrow portion configured to receive the portions of the band between the notches. The adjustable slide also has an opening that is configured to receive a threaded connector that is disposed on the band's first end. The opening and the threaded connector are secured with a security-type fastener having a recess that requires the use of a tool other than a traditional flathead or Phillips head screwdriver to rotate the security fastener. A cable can secure the universal security band to a display.

Abstract: An oil filter recycler for severing the casing of an automotive oil filter, for separating the filter into its components for recycling, and for removing engine waste oil for environmentally safe disposal, characterized by a turntable for rotating a cylindrically shaped filter about its' axis and a knife for severing the casing of the filter as it is rotated. The turntable is rotatable either manually or automatically. The knife is radially adjustable relative to the axis of the turntable. A releasable ratchet pawl spring biased for engagement with a rotatable threaded rod on a slidable knife holder provides for slidable, rotatable adjustment of the knife, and for quick release and retraction of the knife.