Patents by Inventor Nathaniel Halperin

Nathaniel Halperin 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).

  • Coarse focus mechanism for microscopes
    Patent number: 4003628
    Abstract: A coarse focus mechanism for microscopes and related instruments wherein the mechanism includes a slip clutch operated knob which rotates a pinion shaft for moving either the optical or stage member of the microscope relative to the other member for achieving a coarse focus. The knob is disposed on the pinion shaft between the slip clutch and an abutment which is laterally adjustable along the longitudinal axis of the pinion shaft for precisely positioning the knob on the pinion shaft. The knob may include a removable protective housing for enclosing the slip clutch mechanism.
    Type: Grant
    Filed: November 10, 1975
    Date of Patent: January 18, 1977
    Assignee: Zale Corporation
    Inventor: Nathaniel Halperin