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A drumometer is an electronic device invented by Boo McAfee and drummer/electrical engineer, Craig A. Kestner (aka Craig Alan), that is used to count 
Dowell has filed three patent infringement lawsuits for McAfee in the United States District Court for the Northern District of Illinois, the first against Guitar Center and Yamaha on October 27, 2015 (15-cv-9555) and two more against Ahead Products, Inc. (15-cv-10395) and Cherub Technology Inc. (15-cv-10403) on November 18, 2015.
"The Rise of Speed Drumming"
''The Drumometer'' - Retrieved in 2005. * By Blabbermouth.ne
"International Speed Competition"
''NAMM 2006'' - Retrieved in 2006. * US Patent Office Patent #6,545,20
{{Webarchive, url=https://web.archive.org/web/20180218024202/http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6545207.PN.&OS=PN/6545207&RS=PN/6545207 , date=2018-02-18 * Musicians Frien
Drum machines
A drumometer is an electronic device invented by Boo McAfee and drummer/electrical engineer, Craig A. Kestner (aka Craig Alan), that is used to count drum strokes
A drum roll (or roll for short) is a technique used by percussionists to produce a sustained sound for the duration of a written note.Cirone, Anthony J. (1991). Simple Steps to Snare Drum', p.30-31. Alfred. . "The purpose of the roll is t ...
.
Drumometer is patented technology protected by US Patent #6,545,207.
Official status
The Drumometer is accepted byGuinness World Records
''Guinness World Records'', known from its inception in 1955 until 1999 as ''The Guinness Book of Records'' and in previous United States editions as ''The Guinness Book of World Records'', is a British reference book published annually, list ...
and the WFD World's Fastest Drummer Extreme Sport Drumming
World's Fastest Drummer/Extreme Sport Drumming is a competition for determining the world's fastest drummer. A drummer's speed is calculated and recorded by a digital counting device called the Drumometer. The Drumometer, a patented electronic tec ...
organization as the official device used to determine the World's Fastest Drummer. WFD World's Fastest Drummer Extreme Sport Drumming is a sporting event that centers around the use of the Drumometer.
2015 Legal Filings-Defending the Drumometer Patent US #6,545,207
McAfee has filed patent infringement lawsuits in Chicago against Guitar Center, Ahead Products, Inc. and Cherub Technology Inc., who sell a similar drum stroke counting device, and Yamaha Corporation of America, who has incorporated a drum stroke counting feature in its popular line of DTX electronic drum kits. Craig left Drumometer in 2007 to continue a career in engineering but still owns the first Drumometer prototype affectionately known as Frankenstein.
Dowell has filed three patent infringement lawsuits for McAfee in the United States District Court for the Northern District of Illinois, the first against Guitar Center and Yamaha on October 27, 2015 (15-cv-9555) and two more against Ahead Products, Inc. (15-cv-10395) and Cherub Technology Inc. (15-cv-10403) on November 18, 2015.
WFD competitions
Musical genres such as death metal, country, jazz, and screamo have battled for dominance in the various categories.References
"The Rise of Speed Drumming"
''The Drumometer'' - Retrieved in 2005. * By Blabbermouth.ne
"International Speed Competition"
''NAMM 2006'' - Retrieved in 2006. * US Patent Office Patent #6,545,20
{{Webarchive, url=https://web.archive.org/web/20180218024202/http://patft.uspto.gov/netacgi/nph-Parser?Sect1=PTO1&Sect2=HITOFF&d=PALL&p=1&u=%2Fnetahtml%2FPTO%2Fsrchnum.htm&r=1&f=G&l=50&s1=6545207.PN.&OS=PN/6545207&RS=PN/6545207 , date=2018-02-18 * Musicians Frien
Drum machines