Patents by Inventor Lew Blahuta

Lew Blahuta 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).

  • Toothbrush
    Patent number: 5347675
    Abstract: An interdental toothbrush has a hinged locking retainer on the end of an elongated handle for capturing the stem of a twisted wire brush. The locking retainer has a hole which is adapted to receive the stem of a twisted wire brush. A land is formed in the handle adjacent the groove so that the wire brush stem is captured between that land area and a land area on the retainer. A latch on the locking retainer has a top end with a double cam surface thereon. One of the cam surfaces guides the latch into a locking position as the retainer is closed. The other of the cam surfaces releases the locking retainer when pushed.
    Type: Grant
    Filed: April 12, 1993
    Date of Patent: September 20, 1994
    Assignee: John O. Butler Company, Inc.
    Inventors: Emanuel B. Tarrson, Dane Maric, Lew Blahuta, Scott Koepsel
  • Toothbrush
    Patent number: 5333346
    Abstract: An interdental toothbrush has a hinged locking retainer on the end of an elongated handle. The locking retainer has a hole which is positioned relative to a groove in the handle so that a twisted wire brush may be locked into place simply by inserting it and closing the retainer. A latch on the locking retainer has a top end with a double cam surface thereon. One of the cam surfaces guides the latch into a locking position as the retainer is closed. The other of the cam surfaces releases the locking retainer when pushed.
    Type: Grant
    Filed: January 19, 1993
    Date of Patent: August 2, 1994
    Assignee: John O. Butler Company, Inc.
    Inventors: Emanuel B. Tarrson, Dane Maric, Lew Blahuta
  • Toothbrush
    Patent number: 5201091
    Abstract: An interdental toothbrush has a hinged locking retainer on the end of an elongated handle. The locking retainer has a hole which is positioned relative to a groove in the handle so that a twisted wire brush may be locked into place simply by inserting it and closing the retainer. A latch on the locking retainer has a top end with a double cam surface thereon. One of the cam surfaces guides the latch into a locking position as the retainer is closed. The other of the cam surfaces releases the locking retainer when pushed.
    Type: Grant
    Filed: August 30, 1990
    Date of Patent: April 13, 1993
    Assignee: John O. Butler Company
    Inventors: Emanuel B. Tarrson, Dane Maric, Lew Blahuta
  • 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
  • Toothbrush
    Patent number: 5027467
    Abstract: An interdental toothbrush has a hinged cap on the end of an elongated handle. The cap has a hole which is positioned relative to a groove so that a twisted wire brush may be locked into place simply by inserting it and closing the cap.
    Type: Grant
    Filed: February 6, 1990
    Date of Patent: July 2, 1991
    Assignee: John O. Butler Company
    Inventors: Emanuel B. Tarrson, Dane Maric, Lew Blahuta
  • 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