51
Bruce A Massau: Polymeric hypodermic device. D O Nickey, June 13, 1989: US04838877 (101 worldwide citation)

There is disclosed a polymeric hypodermic device that comprises a hollow polymeric needle for injection of substances beneath the skin. The polymeric hypodermic device is constructed of a polymeric material such as polyetheretherketones, polycarbonates, polyetherimides, polymethylpentenes, and other ...


52
Hiroyoshi Eguchi, Norio Yamada, Itaru Kusuyama, Chikara Saitou: Method and apparatus for controlling job transfer between computer systems. Hitachi, Antonelli Terry & Wands, June 13, 1989: US04839798 (98 worldwide citation)

In a computer network system having a plurality of on-line connected computer systems, each computer system has means to monitor the amount of jobs of its own computer system. Each computer system requests a job to another computer system when the amount of jobs of its own computer system is in shor ...


53
James Hadzoglou: Cellular mobile communication antenna. Orion, Dressler Goldsmith Shore Sutker & Milnamow, June 13, 1989: US04839660 (97 worldwide citation)

A mobile antenna system for use at frequencies in and above the 800 MHz band having a collinear radiator mounted on one surface of a dielectric such as the window of a vehicle and a tunable coupling circuit disposed internally of a conducted housing mounted on the opposite surface of the dielectric ...


54
Montie R Fischer: Multipiece cable testing device which functions as flashlight, continuity checker, and cable identifier. Michael E Whitham, C Lamont Whitham, June 13, 1989: US04839599 (95 worldwide citation)

A coaxial cable testing device has a modular construction wherein the several pieces may be configured in different arrangements to fulfill the separate functions of a flashlight, a continuity checker, a cable identifier, and a bandit splitter detector. The pieces are provided with connector element ...


55
William V Pauza, Wilmer L Sheesley: Terminator plug with electrical resistor. AMP Incorporated, Gerald K Kita, June 13, 1989: US04838813 (94 worldwide citation)

A terminator 1 includes, a conductive shell 2, a disc 12 of insulative material having integral rivets 13 passing through the shell 2, a center contact 19 concentrically in the disc 12, a resistor 26 having a forward extending electrical lead 27 connected to the center contact 19 and having a rearwa ...


56
Vincent J Bitel: Food service tray and assembly thereof. The Rogers Manufacturing Company, June 13, 1989: US04838444 (94 worldwide citation)

A receptacle member, such as a plastic tray, is symmetrical about at least one axis and includes engagement elements of at least two, complementary interfittable forms. Two of the members are assembled in inverted, confronting relationship to one another so as to define compartments of regular confi ...


57
Lawrence A Lynn: Blood aspiration assembly and method. Rogers Howell Moore & Haferkamp, June 13, 1989: US04838855 (94 worldwide citation)

A blood aspiration assembly and method has proximal, intermediate and distal tubing, a reservoir having an adjustable volume and an aspirator receiver. A two-way valve can connect the reservoir to the intermediate tube and block flow to the proximal tubing, or can connect the intermediate and proxim ...


58
Jeffrey E Koziol, Gholam A Peyman: Lens shaping device using a laser attenuator. Roylance Abrams Berdo & Goodman, June 13, 1989: US04838266 (92 worldwide citation)

A device for modifying the surface of an optical element including a laser beam and a laser energy attenuator. The attenuator varies the energy distribution of the laser beam radially of the beam, thereby etching the surface of the optical element in conformance with the varied energy distribution. ...


59
Per Ingvar Branemark, Bjorn Albrektsson: Joint prothesis. Pollock Vande Sande & Priddy, June 13, 1989: US04838891 (92 worldwide citation)

This invention relates to a joint prosthesis for permanent anchorage in the bone tissue of a joint in a human body, for instance a knee joint. The joint prosthesis comprises an anchorage device (3, 4; 7-10, 11) disposed to be implanted into the bone tissue at a first operation so that it remains in ...


60
Yasuko Tomida, Shoji Koike: Recording liquid and recording method by use thereof. Canon Kabushiki Kaisha, Fitzpatrick Cella Harper & Scinto, June 13, 1989: US04838938 (91 worldwide citation)

A recording liquid is provided which comprises a dye as a component for forming an image and a liquid medium for dissolving or dispersing said dye, the liquid containing a compound having a three-dimensional moleuclar structure with an empty space therein, and having a molecular weight of 400 or mor ...