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| Number | Title | Issue Date |
| 4963714 | Diode laser soldering system A laser soldering system wherein a plurality of laser beams are simultaneously directed to a plurality of spatially separate locations on a printed circuit board for simultaneously soldering. Each of the laser beams is formed by combining the outputs of a... | 10/16/1990 |
| 4933853 | Ultrasonic grade and auger control An ultrasonic grade and auger control for use on a road paving machine to compensate for uneven road surfaces is described. As the road paving machine travels, asphalt is centrally deposited along the road bed. An auger is connected to the back of the roa... | 06/12/1990 |
| 4917006 | Expansion thermostat for cooking grill An expansion thermostat adapted for regulating the temperature of a cooking surface. One end of the cooking surface is secured at one end of a container. Mounted to the other end of the container is a switch which controls the heat. When the cooking surfa... | 04/17/1990 |
| 4908819 | Integrated data voice multiplexer supporting handshake and loop-back protocols An integrated data voice multiplexer (IDVM) capable of simultaneously supporting loop-back and communication handshake protocols with no performance degradation. This allows the IDVM to be used in both point-to-point and packet switch networks. The IDVM i... | 03/13/1990 |
| 4904834 | Mixing attachment for microwave oven turntables A mixing attachment for stirring sauces, foods, mixtures or the like in a microwave oven. The mixing attachment includes a vertical mixing arm, a stationary blade attached to the bottom of the arm, and a cross beam, which is fastened to the top of the ver... | 02/27/1990 |
| 4891239 | Method and apparatus for ultrafast microwave tissue fixation A method and apparatus for ultrafast microwave tissue fixation using a single mode resonant waveguide constructed with an aperture near one end. The waveguide is also constructed to provide a uniform E field and maximum power field below the aperture. Tis... | 01/02/1990 |
| 4890112 | Time multiplexed radar link A time multiplexer for linking a trigger signal, a video signal, and data signals generated by a radar transceiver to a radar display. The multiplexer is particularly useful when the transceiver is located remotely from the display, such as is commonly en... | 12/26/1989 |
| 4882984 | Constant temperature fryer assembly A constant temperature fryer assembly having a conveyor for cooking food in oil at a predetermined constant temperature. The fryer is constructed having an external heat exchanger for heating the oil. Oil is removed from the fryer, pumped through the heat... | 11/28/1989 |
