Patents by Inventor Phillip A. Gary

Phillip A. Gary 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).

  • Crossover system
    Patent number: 5533135
    Abstract: An audio crossover system having two crossover networks, one suited to the auditory preferences of women and the other to the auditory preferences of men. The former attenuates mid-range frequencies more than high-range frequencies and attenuates low-range frequencies still more. The latter attenuates mid-range frequencies more than low-range frequencies and attentuates high-range frequencies even more than those in the mid-range.
    Type: Grant
    Filed: April 10, 1995
    Date of Patent: July 2, 1996
    Inventor: Phillip A. Gary
  • Method for the production of guerbet alcohols utilizing insoluble lead catalysts
    Patent number: 4011273
    Abstract: An improvement in the production of Guerbet alcohols by the condensation of alcohols in the presence of a catalyst and an alkali consisting of utilizing from 0.05 to 3.0 gm per mol of total alcohol of an insoluble lead salt of an oxyacid of a group IV element having a molecular weight greater than 27, such as oxyacids selected from the group consisting of the silicate, the titanate, the zirconate, the germanate and the hafnate, as said catalyst.
    Type: Grant
    Filed: August 4, 1975
    Date of Patent: March 8, 1977
    Assignee: Henkel Inc.
    Inventors: Phillip Gary Abend, Peter Leenders
  • Omni-directional speaker enclosure
    Patent number: D281316
    Type: Grant
    Filed: July 28, 1983
    Date of Patent: November 12, 1985
    Inventor: Phillip A. Gary