73802222
May 24, 1989
Mar 26, 1991
HOUSE MARK FOR A FULL LINE OF ELECTRICAL AND LABORATORY INSTRUMENTS, APPARATUS AND MEDIA FOR USE IN SCIENTIFIC AND TECHNICAL TRAINING AND RESEARCH
Electrical and Scientific ApparatusHOUSE MARK FOR A FULL LINE OF SURGICAL, MEDICAL AND DENTAL APPARATUS AND INSTRUMENTS
Medical ApparatusHOUSE MARK FOR A FULL LINE OF PRINTED INSTRUCTIONAL AND TEACHING MATERIAL AND EDUCATIONAL MODELS FOR SCIENTIFIC AND TECHNICAL STUDIES
Paper Goods and Printed Matter