Assignee
AHMANN JOHN E
US·7 granted patents·185 citations·filing 1979–1988
Top patents by PatentIndex Score
7 records- 0169US4445731APortable voting boothAHMANN JOHN E·Filed 1982·Granted May 1, 1984·35 cites·10 claims
- 0266US4569564ACompact portable voting boothAHMANN JOHN E·Filed 1984·Granted Feb 11, 1986·33 cites·14 claims
- 0361US4854652ADual voting booth packageAHMANN JOHN E·Filed 1988·Granted Aug 8, 1989·26 cites·14 claims
- 0457US4981259ABallot boxAHMANN JOHN E·Filed 1988·Granted Jan 1, 1991·46 cites·15 claims
- 0557US4297566APunch frame for data registering deviceAHMANN JOHN E·Filed 1980·Granted Oct 27, 1981·27 cites·15 claims
- 0637US4712757APortable voting booth adapterAHMANN JOHN E·Filed 1986·Granted Dec 15, 1987·15 cites·8 claims
- 0736US4258249AStylus for tabulating deviceAHMANN JOHN E·Filed 1979·Granted Mar 24, 1981·3 cites·4 claims
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