Dentsply International assigned patent
Dentsply International, York, Pa., has been assigned a patent developed by Steven R. Jefferies, York, Pa., for an ``application dental materials to the oral cavity.''
Kaltenbach & Voigt, Biberach, Germany, has been assigned a patent developed by Bernhard Kuhn, Biberach, Germany, and Bernd Gugel, Ulm-Einsingen, Germany, for a ``dental, dental-medical or dental-technical handpiece with electric motor.''