Patents by Inventor David Doss, deceased

David Doss, deceased 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).

  • High frequency luminous tube power supply having neon-bubble and mercury-migration suppression
    Patent number: 5367225
    Abstract: A high frequency power supply for neon and mercury luminous tubes including means for simultaneously suppressing bubbles formed in neon tubes and for minimizing migration of mercury commonly associated with the use of solid-state luminous tube power supplies.
    Type: Grant
    Filed: February 9, 1993
    Date of Patent: November 22, 1994
    Assignee: Everbrite, Inc.
    Inventors: David Pacholok, David Doss, deceased