SPRENGNETHER INSTRUMENTS, INC. Trademarks
Q-LOG
Filed: April 30, 1982
AUTOMATED SEISMIC NETWORK PROCESSING SYSTEMS
Owned by: SPRENGNETHER INSTRUMENTS, INC.
Serial Number: 73362430
Q-LOG
Filed: May 17, 1983
Computerized Real-Time Seismic Network Analysis Unit
Owned by: SPRENGNETHER INSTRUMENTS, INC.
Serial Number: 73426283
