Template:Http://www.beefmasters.org/association history.php. External links. History of the Beefmaster breed - Oklahoma State University; Beefmasters Breeders United homepage
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Improved Permanent Wave Machine. An employee of Madame CJ Walkerâs empire, Marjorie Joyner invented an improved permanent wave machine. This device patented in 1928, curled or permed womenâs hair for a relatively lengthy period of time. The wave machine was popular among women white and black allowing for longer-lasting wavy hair styles.