Coherent assigned patent
Coherent, Santa Clara, Calif., has been assigned a patent developed by Vernon A. Seguin, Windsor, Conn., and Peter P. Chenausky, Avon, Conn., for an ``acousto-optically Q-switched CO.sub.2 laser.''
Mitsubishi Heavy Industries, Tokyo, has been assigned a patent developed by six co-inventors for an ``integrated gasification combined cycle power generation plant.''