Patents by Inventor Howard Ellis Krachman

Howard Ellis Krachman 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: 4102558
    Abstract: An improved terminal pin for use with the bi-pin type end caps of fluorescent discharge tubes to reduce electrical shock hazards is disclosed. The pin comprises a body portion, a tip portion of reduced thickness relative to that of the body portion, and insulation covering the tip portion. The end cap utilizing the subject terminal pin is compatible with conventional lamp sockets.
    Type: Grant
    Filed: August 29, 1977
    Date of Patent: July 25, 1978
    Assignee: Developmental Sciences, Inc.
    Inventor: Howard Ellis Krachman