Patents by Inventor Andrew Alger

Andrew Alger 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).

  • Water filter unit
    Patent number: 5188727
    Abstract: An improved water filter unit including a casing having a removable snap-type cover with the casing mountable to a surface or free standing. The casing including a plurality of removable different type water filter cartridges, each of which includes a pair of different water filters, connected to a manifold formed in the casing. The casing including a pair of change water filter indicators.
    Type: Grant
    Filed: March 10, 1992
    Date of Patent: February 23, 1993
    Assignee: Omni Corporation
    Inventors: Mark Kurth, Andrew Alger, Lew Blahuta
  • Double bowl sink
    Patent number: D554239
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: October 30, 2007
    Assignee: The Swan Corporation
    Inventor: Andrew Alger
  • Single bowl sink
    Patent number: D557388
    Type: Grant
    Filed: March 22, 2006
    Date of Patent: December 11, 2007
    Assignee: The Swan Corporation
    Inventor: Andrew Alger
  • Water filter
    Patent number: D316741
    Type: Grant
    Filed: January 19, 1990
    Date of Patent: May 7, 1991
    Assignee: Omni Corporation
    Inventors: Mark Kurth, Andrew Alger
  • Dental floss holder
    Patent number: D364708
    Type: Grant
    Filed: August 21, 1992
    Date of Patent: November 28, 1995
    Assignee: John O. Butler Company
    Inventors: Emanuel B. Tarrson, Andrew Alger, Lew Blahuta