MONROE CALCULATING MACHINE COMPANY, INC. Trademarks
RHYTHM-ADD
Filed: September 1, 1949
INSTRUCTIONAL BOOKLETS AND LESSON SHEETS ISSUED IN A SERIES
Owned by: MONROE CALCULATING MACHINE COMPANY, INC.
Serial Number: 71584341
RHYTHM-CHECK
Filed: December 5, 1961
TRAINING OF OPERATORS IN CASH REGISTER OPERATION
Owned by: MONROE CALCULATING MACHINE COMPANY, INC.
Serial Number: 72133393
