Patents

Our people generate patents as a normal course of product development. Below you will find a few examples. Click each patent to go directly to the corresponding USPTO website for more information.

patent Wall.JPG

July 17, 1984 US-D274730-S

July 17, 1984 US-D274730-S

July 17, 1984 US-D274729-S

July 17, 1984 US-D274729-S

December 31, 1985 US-4562347-A

December 31, 1985 US-4562347-A

September 25, 1990 US-D310828-S

September 25, 1990 US-D310828-S

February 12, 1991 US-D314564-S

February 12, 1991 US-D314564-S

July 23, 1991 US-5452522-A

July 23, 1991 US-5452522-A

October 26, 1993 US-D340777-S

October 26, 1993 US-D340777-S

July 25, 1995 US-5436810-A

July 25, 1995 US-5436810-A

September 26, 1995 US-5452522-A

September 26, 1995 US-5452522-A

June 24, 1997 US-5641220-A

June 24, 1997 US-5641220-A

March 24, 1998 US-5729877-A

March 24, 1998 US-5729877-A

July 7, 1998 US-5776141-A

July 7, 1998 US-5776141-A

August 4, 1998 US-5788103-A

August 4, 1998 US-5788103-A

August 11, 1998 US-5792272-A

August 11, 1998 US-5792272-A

September 8, 1998 US-5803406-A

September 8, 1998 US-5803406-A

February 2, 1999 US-5867132-A

February 2, 1999 US-5867132-A

December 7, 1999 US-5999346-A

December 7, 1999 US-5999346-A

February 22, 2000 US-6027514-A

February 22, 2000 US-6027514-A

December 5, 2000 US-6155591-A

December 5, 2000 US-6155591-A

September 18, 2001 US-6291970-B1

September 18, 2001 US-6291970-B1

October 16, 2001 US-6302411-B1

October 16, 2001 US-6302411-B1

November 12, 2002 US-D465476-S

November 12, 2002 US-D465476-S

February 17, 2004 US-6692349-B1

February 17, 2004 US-6692349-B1

January 31, 2006 US-6992616-B2

January 31, 2006 US-6992616-B2

October 23, 2007 US-D553749-S

October 23, 2007 US-D553749-S

November 16, 2010 US-20100283575-A1

November 16, 2010 US-20100283575-A1

July 2, 2013 US-8477011-B2

July 2, 2013 US-8477011-B2

December 24, 2013 US-8615295-B2

December 24, 2013 US-8615295-B2

July 15, 2014 US-8781576-B2

July 15, 2014 US-8781576-B2

August 11, 2015 US-9101778-B2

August 11, 2015 US-9101778-B2

September 1, 2015 US-D737760-S

September 1, 2015 US-D737760-S