Koelsch, Charlotte C. Trademarks
DATA SPONGE
Filed: March 8, 1990
electronic memory storage devices
Owned by: Koelsch, William A. and Koelsch, Charlotte C.
Serial Number: 74036041
MACHINE MINDER
Filed: March 8, 1990
memory devices for operation of numerically controlled machines
Owned by: Koelsch, William A. and Koelsch, Charlotte C.
Serial Number: 74036128
