ALEXANDER DRAFTING EQUIPMENT CO. Trademarks
SLIDE BOOK
Filed: November 21, 1961
COMPILATION OF MULTIPLICATION AND DIVISION TABLES IN BOOK FORM
Owned by: ALEXANDER DRAFTING EQUIPMENT CO.
Serial Number: 72132434
SUB-ZERO
Filed: March 23, 1964
POCKET ADDING-SUBTRACTING MACHINE
Owned by: ALEXANDER DRAFTING EQUIPMENT CO.
Serial Number: 72189242
SIZEMATIC
Filed: September 8, 1969
POCKET ADDING AND SUBTRACTING MACHINE
Owned by: ALEXANDER DRAFTING EQUIPMENT CO.
Serial Number: 72337416
