1. That technology was sold by IBM, its developer, under the term mark sense . 2. Sydney-based Mapil Co . owns the remaining 22 percent of Mark Sensing , Chaiwat said. 3. "' Mark sense "'was a trade name used by IBM for electrographic forms and systems. 4. That " mark sense " technology was widely used by businesses in the 40s, 50s, and 60s. 5. Student programs were typically submitted as a deck of mark sense cards although punched cards were an option. 6. A " mark sense pencil lead " sold by IBM would meet federal specifications for " electrographic lead ." 7. Mark sensing allowed a person to enter data to be used in punched-card data processing without using a keypunch machine.8. Mark sense cards were used, and a class of 30 children could each get two runs in a one-hour period.9. Mark Sensing lost about $ 200, 000 in the third quarter of last year, when its main factory opened, Chaiwat said.10. The use of Section 22 was restricted in the Clairol case to the use " in the technical trade-mark sense ".