Assignee
HALL A DOUGLASS
4 granted patents·73 citations·filing 1977–1980
Top patents by PatentIndex Score
4 records- 0177US4213215AContainer openerHALL A DOUGLASS·Filed 1978·Granted Jul 22, 1980·30 cites·4 claims
- 0268US4153197ACoin bankHALL A DOUGLASS·Filed 1977·Granted May 8, 1979·19 cites·9 claims
- 0352US4339071ACoin bankHALL A DOUGLASS·Filed 1980·Granted Jul 13, 1982·20 cites·10 claims
- 0435US4246915APortable coin bankHALL A DOUGLASS·Filed 1979·Granted Jan 27, 1981·4 cites·11 claims
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