1
Roy E Yates: Protective apparatus for artists. Bill B Berryhill, August 11, 1987: US04685644 (10 worldwide citation)

Apparatus for protecting the work of an artist being performed on canvas mounted on a canvas stretch frame including a mounting assembly by which the apparatus is attached to the canvas frame. A suspension member extends from the mounting assembly and a maulstick is supportable from a proximal end t ...


2
Roy E Yates: Support rack and method of supporting one or more elongated objects. Roy E Yates, Reed Smith, Robert R Riddle, March 15, 2016: US09282817 (4 worldwide citation)

A support rack includes a first plate extending in a first plane. At least two spaced-apart openings extend through the first plate. A second plate extends in a second plane. The second plane may be parallel to and spaced-apart from the first plane. A third plate extends from the first plate to the ...