Mark Identification

OAK FREQUENCY CONTROL GROUP

Serial Number

74240707

Filing Date

Jan 27, 1992

Trademark by

OAK CRYSTAL INC.

Classification Information

quartz crystal oscillators, quartz crystal filters, crystal ovens, ovenized crystal oscillators and temperature compensated crystal oscillators for use in military, aerospace and industrial applications

Electrical and Scientific Apparatus

quartz crystals for use in military, aerospace and industrial applications

Nonmetallic Building Materials