Question: Who founded this American guitar manufacturer headquartered in Maryland that produced electric baritone guitars?

Documents:
source: Baritone guitar
text: Baritone guitar The baritone guitar is a guitar with a longer scale length, typically a larger body, and heavier internal bracing, so it can be tuned to a lower pitch. Gretsch, Fender, Gibson, Ibanez, ESP Guitars, PRS Guitars, Music Man, Danelectro, Schecter, Jerry Jones Guitars, Burns London and many other companies have produced electric baritone guitars since the 1960s, although always in small numbers due to low popularity. Tacoma, Santa Cruz, Taylor, Martin, Alvarez Guitars and others have made acoustic baritone guitars.

source: PRS Guitars
text: PRS Guitars PRS Guitars (also known as Paul Reed Smith Guitars) is an American guitar manufacturer headquartered in Stevensville, Maryland, founded by luthier Paul Reed Smith in 1985.

source: ES Guitars
text: ES Guitars ES Guitars is an American guitar manufacturer of electric guitars and bass guitars. Established in 2003, the company manufactures guitars in Connecticut but the main office is located in New York. The company focuses on Heavy Metal and Hard Rock guitars.

source: Tōkai Gakki
text: Tōkai Gakki Tokai Gakki Company, Ltd. (東海楽器製造株式会社 , Tōkai Gakki Seizō Kabushiki-gaisha ) , often referred to as Tokai Guitars, is a Japanese guitar manufacturer situated in Hamamatsu city, Shizuoka prefecture. Tokai is one of Japan’s leading makers of acoustic guitars, electric guitars, electric basses, autoharps, melodicas and guitar amplifiers. In the past, Tokai also made pianos.

source: Hallmark Guitars
text: Hallmark Guitars Hallmark Guitars is an American guitar manufacturer. The company was founded in 1966 by Joe Hall, formerly of Mosrite.

source: Walden Guitars
text: Walden Guitars Walden Guitars was a manufacturer of acoustic, classical, and baritone guitars. Walden Guitars were built in the small town of Lilan, nearby Langfang, China. Formed in 1996, Walden Guitars was a collaboration between CFox Guitars, Inc. luthiers Charles Fox and Jonathan Lee, and Taiwan instrument manufacturer KHS Musical Instruments.

source: DBZ Guitars
text: DBZ Guitars Diamond Guitars is an American guitar manufacturer owned and operated by Jeff Diamant of Diamond Amplification, along with partner Terry Martin. Former Dean Guitars founder and owner Dean Zelinsky was a co-owner from 2008 until his departure in 2012. He left the company to form his current brand, Dean Zelinsky Private Label.

source: Taylor Guitars
text: Taylor Guitars Taylor Guitars is an American guitar manufacturer based in El Cajon, California and is the #1 manufacturer of acoustic guitars in the United States. They specialize in acoustic guitars and semi-hollow electric guitars. The company was founded in 1974 by Bob Taylor and Kurt Listug.

source: Gordon-Smith Guitars
text: Gordon-Smith Guitars Gordon-Smith Guitars is a manufacturer of hand-crafted electric guitars originally based in Partington near Manchester, England. They are the UK's longest-established electric guitar manufacturer and have been called the English equivalent to Gibson on that basis.

source: C. F. Martin &amp; Company
text: C. F. Martin &amp; Company C.F. Martin & Company is an American guitar manufacturer established in 1833 by Christian Frederick Martin. Martin is highly regarded for its steel-string guitars and is a leading manufacturer of flat top guitars. Martin instruments can sell for thousands of dollars, and vintage instruments occasionally command six-figure prices. The company has also made mandolins as well as several models of electric guitars and electric basses, although none of these other instruments are currently in production.

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Answer: Paul Reed Smith