Patents by Inventor Miguel Martinez

Miguel Martinez has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Patent number: 4161663
    Abstract: A reliable voltage level shifter circuit implemented with complementary metal oxide semiconductor field effect transistor (MOSFET) devices, suitable for high voltage applications. The disclosed circuit is relatively unsusceptible to low voltage transistor breakdown, whereby a wide range output voltage swing is achieved.
    Type: Grant
    Filed: March 10, 1978
    Date of Patent: July 17, 1979
    Assignee: Rockwell International Corporation
    Inventor: Miguel A. Martinez
  • Patent number: 4127133
    Abstract: Needle-suture combinations are provided wherein a needle having an axial opening in the blunt end thereof for receiving a suture is bonded to the suture with a hot melt wax composition having sufficient bonding strength to secure the needle to the suture during surgical procedures, but which allows the needle to be deliberately removed from the suture by a sharp tug at the completion of the surgical procedure. Needle pulloff values in the range of 1 to 56 ounces (0.028 to 1.58 kg) are readily obtained.
    Type: Grant
    Filed: December 5, 1977
    Date of Patent: November 28, 1978
    Assignee: Ethicon, Inc.
    Inventor: Miguel Martinez
  • Patent number: 3944342
    Abstract: Photographic apparatus for a slit lamp includes a photographic camera adapted to be mounted on one ocular of a binocular microscope of the slit lamp and a light sensing device positioned adjacent an objective of the microscope for providing a signal corresponding to light at the objective to an automatic exposure control mechanism in the camera, the other ocular of the microscope being free to permit viewing of an object being photographed.
    Type: Grant
    Filed: April 30, 1974
    Date of Patent: March 16, 1976
    Assignee: Codman & Shurtleff, Inc.
    Inventor: Miguel Martinez