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| Number | Title | Issue Date |
| 4632022 | Fume hood fabricated from modules and having laterally extending exhaust ports A fume hood is fabricated of three or four like modules to a desired partial or full cylindrical structure having a reaction chamber therein. Each module has an upstanding, arcuate circumferential outer wall and an upper wall and base extending inwardly t... | 12/30/1986 |
| 4568050 | Component furniture assembly A unique component furniture assembly for securing furniture components in wall furniture systems comprises a light-weight metal track, along which glides a novel fastening assembly which receives screws, threaded support posts and the like and to which a... | 02/04/1986 |
| 4553475 | Laboratory hood attachment An attachment for a laboratory hood having an opening leading to a work area includes a housing that has a lower open end and opening means extending the entire length along an upper portion of the housing with fans located in the housing between the open... | 11/19/1985 |
| 4474288 | Check-out counter system A check-out counter assembly includes a cabinet that has an open space with guide rails located adjacent opposite edges of the space to receive a conveyor module which is completely self-contained and includes a power source as well as all of the removabl... | 10/02/1984 |
| 4401189 | Start/stop control system for conveyor means A coordinated start/stop control system for controlling the operation of multiple conveyor checkout systems, wherein the operation of a pair of rear transport belts is selectively controlled in response to the operation of a first transport belt, dependen... | 08/30/1983 |
| 4227902 | Bench structure with dust collector A laboratory bench assembly having work stations which are retractable into the interior of the bench to provide a clear and unobstructed bench space when not in use; an air flow is created within said bench by a blower, the air flow carrying dust particl... | 10/14/1980 |
