TRIVIA MUNCHERS by HMH EDUCATION COMPANY (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 04-Dec-1997 Serial number: 75400011
MATH MUNCHERS by HMH EDUCATION COMPANY (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 04-Dec-1997 Serial number: 75400267
WORD MUNCHERS by HMH EDUCATION COMPANY (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 04-Dec-1997 Serial number: 75400010
MEGA MUNCHERS by HOUGHTON MIFFLIN HARCOURT PUBLISHING COMPANY (Track this)
Intl: (009) Electrical and scientific apparatus US: 021; 023; 026; 036; 038 Filing date: 04-Dec-1997 Serial number: 75400012
METAL MUNCHER by KALAMAZOO METAL MUNCHER, INC. (Track this)
Intl: (007) Machinery US: 023 Filing date: 04-Feb-1971 Serial number: 72382907