1
Heinz Broemer, Werner Adam, Friedhelm Hedrich: Prosthesis parts provided with a coating of a bio-active material, process of making same, and method of using them for bone replacement. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, September 18, 1979: US04168326 (92 worldwide citation)

Novel prosthesis parts of improved properties are obtained by providing a material as used for prostheses with an enamel or enamel-like coating and incorporating in said enamel layer, while in a viscous state, a bioactive material. Such prosthesis parts have a satisfactory adhesive strength and coef ...


2
Heinz Broemer, Werner Adam, Friedhelm Hedrich: Prosthesis parts provided with a coating of a bio-active material. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, December 28, 1982: US04365356 (79 worldwide citation)

Disclosed are novel prosthesis parts of improved properties which are obtained by providing a material as used for prosthesis with an enamel or enamel-like coating and incorporating in said enamel layer, while in a viscous state, a bio-active material. Such prosthesis parts have a satisfactory adhes ...


3
Hans Dieter Jacoby, Peter Schmidt: Device for automatically transporting disk shaped objects. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, February 26, 1985: US04501527 (64 worldwide citation)

Device for the automatic transport of disk shaped objects from a discharge cassette adjustable in height through a position adjusting station to an inspection table and further into depository cassettes which are also adjustable in height in a step-wise manner. According to the invention, between th ...


4
Henning Franek, Heinz Broemer, Klaus Deutscher deceased, Roland Schaefer: Composite plastics-based material for prosthesis purposes. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Evans, December 22, 1987: US04714721 (50 worldwide citation)

Composite materials for prosthesis purposes are indicated, which consist of a plastics matrix and an inorganic radiopaque filler which, as the essential components, contains a combination of compounds of the elements Gd, Sr and, if appropriate, La. The proportion of filler in the total composite mat ...


5
Hans Dieter Jacoby, Peter Schmidt: Device for automatically transporting disk shaped objects. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Evans, September 22, 1987: US04695215 (39 worldwide citation)

Device for the automatic transport of disk shaped objects from a discharge cassette adjustable in height through a position adjusting station to an inspection table and further into depository cassettes which are also adjustable in height in a step-wise manner. According to the invention, between th ...


6
Dietmar Kaul, Joerg Willhelm: Photoelectric incident light distance measuring device. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, November 27, 1979: US04176276 (34 worldwide citation)

Disclosed is a photoelectric incident light distance measuring device, comprising a light source; a reflecting scale grating; a reference grating with a lattice constant differing from that of the scale grating; the reference grating being transparent and displaceable with respect to the scale grati ...


7
Tore Lindmo, Harald B Steen: Device for hydrodynamic focussing of a particle-suspension in a liquid flow cytophotometer. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, October 11, 1983: US04408877 (33 worldwide citation)

Device for liquid flow cytophotometer including a device for hydrodynamic focussing (4,6) of a cell- or particle-suspension towards a measuring area, and an optical excitation-and detection-system (9), preferentially based on oil immersion optics, characterized by the focussing device being formed a ...


8
Hans Determann, Gunter Reinheimer, Hans W Stankewitz: Direct illumination apparatus for light and dark field illumination. Ernst Leitz Wetzlar, Gilbert L Wells, November 28, 1978: US04127318 (31 worldwide citation)

Direct illumination apparatus for microscopes for generating illumination of light fields, phase contrasts, interference contrast and dark fields. A deflecting mirror is located in the observation beam, which is partly specular at its center region and fully specular in an annular zone, and an annul ...


9
Alfred Hengst: Binocular telescope with internal focusing. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, May 11, 1982: US04329013 (31 worldwide citation)

Disclosed is a binocular telescope with internal focusing, comprising two telescope tubes, each having an ocular end and an objective end; a double joint bridge connecting the two telescope tubes; a central focusing element rotatably connected to the bridge; an internal focusing mechanism located in ...


10
Walter Bletz: Amplifier for electric signals. Ernst Leitz Wetzlar, Schwartz Jeffery Schwaab Mack Blumenthal & Koch, August 19, 1980: US04218613 (29 worldwide citation)

Disclosed is an amplifier for electrical signals obtained by means of a photoelectric transducer as a function of the intensity of illumination incident upon said transducer, comprising an operational amplifier adapted to be connected in series after the photoelectric transducer and having a feedbac ...