Steven R Jefferies: Bone graft material for osseous defects and method of making same. Cushman Darby & Cushman, July 19, 1983: US04394370 (412 worldwide citation)

Complexes of reconstituted collagen and demineralized bone particles or reconstituted collagen and a solubilized bone morphogenetic protein fabricated in a sponge suitable for in vivo implantation in osseous defects are disclosed. Both demineralized bone particles (DBP) and bone morphogenetic protei ...

Ove Larson, Charles Davidson: Flexible arm, particularly a robot arm. Robotgruppen HB, Holman & Stern, July 19, 1983: US04393728 (321 worldwide citation)

A flexible arm particularly a robot arm comprising a plurality of elements engaging each other and being arranged in a series, said elements being interconnected via cables and if desired a power transferring actuating device. The purpose of the invention is to provide an arm having very good rigidi ...

Robert D Widergren, Wen Hsiung Chen, Stanley C Fralick, Andrew G Tescher: Digital video compression system and methods utilizing scene adaptive coding with rate buffer feedback. Compression Labs, David B Harrison, July 19, 1983: US04394774 (275 worldwide citation)

A digital video compression and expansion system and its methods for compressing and expanding digitalized video signals in real time at rates up to NTSC color broadcast rates are disclosed. The system compressor receives digitalized video frames divided into subframes, performs in a single pass a s ...

Francis C Szoka Jr, Demetrios P Papahadjopoulos: Method of inserting DNA into living cells. Kane Dalsimer Kane Sullivan & Kurucz, July 19, 1983: US04394448 (226 worldwide citation)

A method of inserting deoxyribonucleic acid or fragments thereof into a living cell, which comprises; encapsulating the DNA or fragment in a lipid vesicle and bringing the vesicle in contact with said cell, whereby insertion occurs.

Sherman M Weissman, Dennis Pereira, Ashwani Sood: Method for cloning genes. Yale University, Millen & White, July 19, 1983: US04394443 (220 worldwide citation)

A method is provided for isolating and identifying a recombinant clone having a DNA segment therein coding for at least one desired heterologous polypeptide, at least a short amino acid sequence of which is known, by effecting cDNA synthesis on a mixture of mRNAs containing the mRNA coding for the d ...

Hellmut W Hofmann Cerfontaine: Identification device. Hannsheinz Porst, William D Hall, July 19, 1983: US04394654 (187 worldwide citation)

A novel identification device permits its holder to prove his authority as holder thereof so as to largely prevent its abusive use. The said identification device consists of a handy small housing (1) comprising permanent storage means (10) with an alphanumerical character string forming a code stor ...

Thomas A Jadwin, Robert C Storey: Electrophotographic dry toner and developer compositions. Eastman Kodak Company, William T French, July 19, 1983: US04394430 (186 worldwide citation)

Alkyldimethylbenzylammonium salts are employed as charge control agents for fusible dry electrophotographic toners.

Thomas R Anthony: Alignment-enhancing feed-through conductors for stackable silicon-on-sapphire wafers. General Electric Company, Stephen S Strunck, James C Davis Jr, James Magee Jr, July 19, 1983: US04394712 (167 worldwide citation)

Alignment-enhancing electrically conductive feed-through paths are provided for the high-speed low-loss transfer of electrical signals between integrated circuits of a plurality of silicon-on-sapphire bodies arrayed in a stack. The alignment-enhancing feed-throughs are made by a process involving th ...

Benjamin Reznik, Stanley Welber, Ludwig Streifeneder: Aspirating surgical forceps. Eder Instrument Co, McDougall Hersh & Scott, July 19, 1983: US04393872 (153 worldwide citation)

A surgical forceps is provided having the ability, in addition to the normal grasping function, to simultaneously aspirate a liquid from a surgical site. An inner tubular member has a plurality of prongs and is slidably disposed within a tubular body. The inner tubular member is spring loaded so as ...

Toshio Amano, Kunio Nagai, Juri Honma: Remote control system. Sony Corporation, Lewis H Eslinger, Alvin Sinderbrand, July 19, 1983: US04394691 (147 worldwide citation)

A remote control system capable of selectively controlling a desired one of plural devices in response to the transmission of remote control signals from a transmitter. A central control includes a decoder decoding a remote control signal so as to produce a corresponding device control signal, this ...