Assignee
K JACK ENG CO INC
US·13 granted patents·210 citations·filing 1976–1991
Top patents by PatentIndex Score
13 records- 0183US5201396AElectronic coin mechanism and systemK JACK ENG CO INC·Filed 1991·Granted Apr 13, 1993·121 cites·31 claims
- 0280US4067477ASingle article vending machineK JACK ENG CO INC·Filed 1976·Granted Jan 10, 1978·41 cites·50 claims
- 0359US4062435AWater proof coin mechanismK JACK ENG CO INC·Filed 1976·Granted Dec 13, 1977·14 cites·9 claims
- 0451USD297650SNewspaper vending machineK JACK ENG CO INC·Filed 1985·Granted Sep 13, 1988·6 cites·1 claims
- 0549USD289664SNewspaper vending machineK JACK ENG CO INC·Filed 1984·Granted May 5, 1987·4 cites·1 claims
- 0644USD287030SNewspaper vending machineK JACK ENG CO INC·Filed 1983·Granted Dec 2, 1986·3 cites·1 claims
- 0742US4576271ACoin operated pull-down door and door spring mechanism for vending machineK JACK ENG CO INC·Filed 1983·Granted Mar 18, 1986·7 cites·24 claims
- 0840USD286061SNewspaper vending machineK JACK ENG CO INC·Filed 1984·Granted Oct 7, 1986·2 cites·1 claims
- 0936US4465207ASingle article vending machineK JACK ENG CO INC·Filed 1981·Granted Aug 14, 1984·4 cites·5 claims
- 1036US4227604ACoin selecting funnelK JACK ENG CO INC·Filed 1979·Granted Oct 14, 1980·3 cites·2 claims
- 1134US4049106AVending machine mechanism housing and armor protection thereforK JACK ENG CO INC·Filed 1976·Granted Sep 20, 1977·3 cites·24 claims
- 1233US4243134ACoin operated vending apparatus with multiple coin chutesK JACK ENG CO INC·Filed 1979·Granted Jan 6, 1981·2 cites·13 claims
- 1330USD293592SCoin operated door lock for vending machineK JACK ENG CO INC·Filed 1985·Granted Jan 5, 1988·0 cites·1 claims
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