INTERNATIONAL BUSINESS MACHINES CORPORAT Trademarks
"WORKING PAPER...NOT PAPER WORK"
Filed: September 11, 1957
DATA PROCESSING CARDS AND BUSINESS FORMS
Owned by: INTERNATIONAL BUSINESS MACHINES CORPORAT
Serial Number: 72037019
PORT-A-PUNCH
Filed: September 3, 1958
MANUAL DEVICES FOR PERFORATING DATA IN DATA PROCESSING RECORDS
Owned by: INTERNATIONAL BUSINESS MACHINES CORPORAT
Serial Number: 72059155
PORT-A-PUNCH
Filed: June 30, 1959
DATA PROCESSING CARDS
Owned by: INTERNATIONAL BUSINESS MACHINES CORPORAT
Serial Number: 72076810
