A mixed cell reference is a combination of relative and absolute cell references. In spreadsheets, cell references are used in a variety of commands, charts, functions and formulas. Continue Reading.
Adolph Levis, Entrepreneur And Philanthropist, Dies at 89. Adolph Levis, the inventor of the Slim Jim dried meat snack, died on Tuesday in the Hospice by the Sea in Boca Raton, Fla. He was 89. Born in Philadelphia, Mr. Levis, who was known as Al, dropped out of school at 16 and began selling spices, pickles and condiments during the Depression.
Whitcomb L. Judson invented the zipper and YKK is the Japanese company that makes them. History of Invention The inventor of the zipper was Whitcomb L. Judson, who came up with the fancy fastener to help out a friend.From CBC4Kids Web site.Zipper Patent Judson's original 1893 clasp-unlocker patent for opening and closing shoes. Patent No. 504,038 issued August 29, 1893.he design used today, based on interlocking teeth, was invented by an employee of Whitcomb Judson's, Swedish born scientist Gideon Sundback. In 1913 and patented as the Hookless Fastener and after more improvements patented in 1917 as the Separable Fastener.