Assignee
BUSINESS RECORDS CORP
US·3 granted patents·177 citations·filing 1987–1991
Top patents by PatentIndex Score
3 records- 0184US4813708ABallot for use in automatic tallying apparatus and method for producing ballotBUSINESS RECORDS CORP·Filed 1987·Granted Mar 21, 1989·60 cites·8 claims
- 0273US4807908ABallot for use in automatic tallying apparatusBUSINESS RECORDS CORP·Filed 1987·Granted Feb 28, 1989·64 cites·9 claims
- 0372US5248872ADevice for optically reading marked ballots using infrared and red emittersBUSINESS RECORDS CORP·Filed 1991·Granted Sep 28, 1993·53 cites·23 claims
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