Several species are used in folk medicine and shamanism & ndash; e . g . " miniature artists . " Trichilia dregeana ", or forest mahogany also yields timber and is also used in carvings, traditional African musical instruments, household implements, furniture, bats and canoes.
12.
On 30 September 1941, United States patent 2, 257, 456 was issued to Joseph R . Crockford of Chicago, IL for a scouring device of the type employed for " cleansing and scouring pots, pans and other household implements . " The invention provided for a " plate of non-corrosive metal, arched or curved to fit the fingers ."
