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Nicholas J Johannes: Inline skating sports floor. Watson Cole Grindle Watson P L L C, May 16, 2000: US06061979 (38 worldwide citation)

A body has a substantially flat and very smooth support surface having a plurality of holes therein which intersect the support surface to form sharp edges around the holes. Connectors are provided on the sides of the body for connecting similar bodies to one another. A plurality of projections exte ...


2
Nicholas J Johannes: Combustion engine. Watson Cole Grindle & Watson, October 15, 1991: US05056486 (11 worldwide citation)

A multivalve internal combustion engine uses multiple inlet ports (2,3), each having a separate throttle (6), a fuel injection (7) and an intake valve (5). The individual inlet ports are positioned in such a way that they join the cylinderhead essentially in the same circumferential direction, there ...