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A method for inducing cats to exercise consists of directing a beam of invisible light produced by a hand-held laser apparatus onto the floor or wall.
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| Number | Title | Issue Date |
| 5490045 | Barrier light with lens-coupled, self-orienting limited field light source An improved barrier light assembly is provided of the type wherein the lens subassembly is pivotable relative to the case subassembly. The assembly employs a limited field light source (preferably an LED with a field of about 34°), and incorporates a sel... | 02/06/1996 |
| 5470170 | Pavement markers and method for making A pavement marker structure and method for making same is provided wherein a pre-molded base block is clad with an in situ molded cap structure. Use of epoxy resins is avoided, and the pavement marker structure is durable and resists attack by moisture.... | 11/28/1995 |
| 5354143 | Pavement markers and method for making A pavement marker structure and method for making same is provided wherein a pre-molded base block is clad with an in situ molded cap structure. One or two retro-reflective flattened reflectors are preferably mounted as insets between the base block and t... | 10/11/1994 |
| 5310279 | Pavement markers with frangible installation tabs Pavement markers are provided that are equipped with installation tabs which permit marker storage vertically and which permit hand holding of the individual markers during installation. After a marker is installed, each tab is breakable adjacent to the m... | 05/10/1994 |
| 5017441 | Battery pack An improved power source includes a container means which is adapted to accept a plurality of polygonal dry cell batteries, with connector means able to contact their terminals regardless of their angular disposition.... | 05/21/1991 |
| 4482941 | Barrier light assembly An improved barrier light assembly is provided wherein a lens assembly composed of a pair of mating halves is secured to the upper portion of a base assembly by a threaded flanged collet. A peripheral outwardly extending integral neck of the lens assembly... | 11/13/1984 |
