CLASS-DEX
Filed: August 6, 1962
TEACHERS' CLASS RECORD BOOK
Owned by: DEV-COA INC.
Serial Number: 72150536
DENTAID
Filed: November 5, 1965
DISPOSABLE TOOTHBRUSH
Owned by: DEV-COA INC.
Serial Number: 72232196
DROSOPHILA HABITAT
Filed: November 13, 1973
STUDY STATION AND ENCLOSURE FOR USE IN CONDUCTING EXPERIMENTS WITH INSECTS COMPRISING A HOLDING COMPARTMENT AND ATTACHED…
Owned by: DEV-COA INC.
Serial Number: 73006252
SORT-A-TRAY
Filed: March 15, 1974
APPARATUS FOR USE IN CONDUCTING EXPERIMENTS ON INSECTS-NAMELY, AN INSECT HOLDER HAVING DISCRETE INSECT HOLDING COMPARTMENTS…
Owned by: DEV-COA INC.
Serial Number: 73016011
ETH-A-DOME
Filed: March 15, 1974
APPARATUS FOR USE IN CONDUCTING EXPERIMENTS ON INSECTS-NAMELY, AN ENCLOSURE IN WHICH INSECTS CAN BE ANESTHETIZED
Owned by: DEV-COA INC.
Serial Number: 73016048
DEV-COA INC. DC E=MC2 A2+B2=C2
Filed: February 22, 1978
BOOKS NAMELY, RECORD KEEPING BOOKS FOR USE IN LABORATORY AND EXPERIMENTAL SCIENCES
Owned by: DEV-COA INC.
Serial Number: 73159573
