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A sealed crustless sandwich for providing a convenient sandwich without an outer crust which can be stored for long periods of time without a central filling from leaking outwardly.
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| Number | Title | Issue Date |
| 4702661 | Robot carrier structure A robot carrier structure constituted by a portal wagon movable on rails and laterially supported by a pair of carriages each comprising a pair of wheels longitudinally coupled by motion transmission means actuated in synchronism by an electric motor. Fur... | 10/27/1987 |
| 4669390 | Robot carrier structure A robot carrier structure constituted by a carriage movable on rails and supported on four wheels two of which are mounted on a driven shaft and two are idle wheels. Each drive wheel has a structure adapted to ensure a high adherence to the rail, particul... | 06/02/1987 |
| 4567817 | Exhaust-gas offtake for a track-guided vehicle propelled by combustion-energy An exhaust-gas offtake for a track-guided vehicle propelled by combustion-energy, the exhaust gas being led into a force-ventilated waste gas duct located above the vehicle, which is anchored to the roof of a tunnel along the route followed. The exhaust p... | 02/04/1986 |
| 4505205 | Enclosed floor track system An enclosed floor track system for use with wheeled hand trucks or the like in sanitary liquid treatment chambers. An elongate wheel channel into which the wheels of the truck are disposed includes a cover comprising either a cover plate or inflatable ela... | 03/19/1985 |
| 4036146 | Passenger transportation system A passenger transportation system includes a transport vehicle which travels in the interior of an elongated tunnel formed from a series of concrete modular conduits. The cross-section of the conduit interior includes a bottom surface on which the vehicle... | 07/19/1977 |
| 3995560 | Rail obstruction sensing means for a rail transportation system In a rail transportation system, a sensor assembly is mountable on a rail vehicle for detecting, during the travel thereof, a rail obstruction which would inhibit continued and uninterrupted travel of the vehicle and for transmitting such detection to the... | 12/07/1976 |
