1
Kurt Rauschenbach, Charles A Lee: Self-aligned, high resolution resonant dielectric lithography. Cornell Research Foundation, Jones Tullar & Cooper, August 13, 1991: US05040020 (397 worldwide citation)

Methods of fabricating electrical contacts on both sides of a thin membrane to form a millimeter wave, self-aligned, opposed gate-source transistor are disclosed. The transistor structure has a subhalf-micron gate, dual-drains placed symmetrically around both sides of the gate, and a source approxim ...


2
Susumu Nishihara, Kazuhiro Ueda: Therapeutic apparatus. Mitsubishi Denki Kabushiki Kaisha, August 13, 1991: US05039867 (246 worldwide citation)

A method and apparatus for positioning a therapeutic beam in which a first distance from a first predetermined position other than an affected part of a patient to the affected part, is determined on the basis of a first image which includes at least part of the patient and which includes the positi ...


3
John M Evans Jr, Carl F R Weiman, Steven J King: Visual navigation and obstacle avoidance structured light system. Transitions Research Corporation, Perman & Green, August 13, 1991: US05040116 (222 worldwide citation)

A vision system for a vehicle, such as a mobile robot (10) includes at least one radiation projector (14, 16) which projects a structured beam of radiation into the robot's environment. The structured beam of radiation (14a, 16a) preferably has a substantially planar pattern of sufficient width to e ...


4
Larry J Johnson, Joseph T Widunas: Apparatus and method for performing automated amplification of nucleic acid sequences and assays using heating and cooling steps. Cetus Corporation, Ronald C Fish, Kevin R Kaster, August 13, 1991: US05038852 (215 worldwide citation)

There is disclosed herein a machine for performing nucleic acid amplification under computer control. The machine utilizes any one of a number of heating and cooling systems under control of a host computer which directs the heating and cooling systems to heat and cool a reaction-chamber-containing ...


5
James W Snow, Graham A J Smith, Geoffrey H Channer, John W Purdy: Fibre optic single mode rotary joint. Focal Technologies Incorporated, Jones Tullar & Cooper, August 13, 1991: US05039193 (185 worldwide citation)

The invention is a rotary joint for singlemode optical fibers, having a fixed and a rotating part to permit the transmission of optical signals across a rotational interface (such as a winch or turret) with minimal insertion loss and, in particular, low reflections (good return loss). There is no ne ...


6
Katheryne M McDonald, Laura J Winfrey, Michael M Gorin, James L Hill, Po C Hsu: Capillary flow device and method for measuring activated partial thromboplastin time. Biotrack, Richard L Neeley, August 13, 1991: US05039617 (179 worldwide citation)

Methods and devices are provided for carrying out activated partial thromboplastin time (APTT) analysis on a whole blood sample to which no anticoagulant has been added by applying the sample to a capillary track contained in a housing, wherein the capillary track comprises sample entry and venting ...


7
Lowell R Norman: Quickly erectable, quickly collapsible, self supporting portable structure. Spring Form, F Eugene Logan, August 13, 1991: US05038812 (176 worldwide citation)

Quickly erectable, quickly collapsible, self supporting portable structures (100) that are self expandable with little or no effort by the user, which in their fully expanded upstanding configuration are self supporting. The fully expanded upstanding structure can be quickly collapsed into a stack o ...


8
Richard A Comroe, Arun Sobti, Robert W Furtaw: Trunking system communication resource reuse method. Motorola, Joseph P Krause, August 13, 1991: US05040238 (170 worldwide citation)

Reusing radio frequency specta in a trunked radio system by establishing small cell trunked radio systems within a large cell trunked radio system wherein low power radio transmission occurs permits multiple small cell trunked radio systems in geographically separate locatiosn to use a limited numbe ...


9
Raymond G Stoken: Method and machine for dispensing coupons. Audio Visual Concepts, James L Sherman, August 13, 1991: US05039848 (167 worldwide citation)

A machine is for selectively dispensing a plurality of coupons including at least two different inscriptions thereon to be respectively redeemable for at least two different promotions or bargains. The machine includes a cabinet and a display area on the cabinet indicating the different bargains cap ...


10
Tessema D Shifferaw: Exercise machine. Flehr Hohbach Test Albritton & Herbert, August 13, 1991: US05039088 (161 worldwide citation)

Exercise machine which combines an up and down leg motion with a back and forth arm motion, with the arms and legs each providing resistance to the movement of the other. A pair of foot levers is pivotally mounted on a frame for up and down movement in a generally vertical direction, with pedals car ...