Assignee
LUDWIG IND
10 granted patents·170 citations·filing 1976–1981
Top patents by PatentIndex Score
10 records- 0179USD247197SDrum caseLUDWIG IND·Filed 1976·Granted Feb 7, 1978·15 cites·1 claims
- 0279USD247196SDrum caseLUDWIG IND·Filed 1976·Granted Feb 7, 1978·15 cites·1 claims
- 0376US4091706AConstruction of illuminated drumsLUDWIG IND·Filed 1976·Granted May 30, 1978·26 cites·4 claims
- 0474USD247195SDrum caseLUDWIG IND·Filed 1976·Granted Feb 7, 1978·12 cites·1 claims
- 0572US4045264AMethod of manufacturing plastic shells for drumsLUDWIG IND·Filed 1977·Granted Aug 30, 1977·26 cites·13 claims
- 0671US4134324ASound projector for musical drumsLUDWIG IND·Filed 1978·Granted Jan 16, 1979·22 cites·6 claims
- 0769USD257989SDrumLUDWIG IND·Filed 1976·Granted Jan 20, 1981·11 cites·1 claims
- 0863USD252353SDrum lugLUDWIG IND·Filed 1976·Granted Jul 10, 1979·8 cites·1 claims
- 0954US4337684AOutrigger holder assembly for percussion musical instrumentsLUDWIG IND·Filed 1981·Granted Jul 6, 1982·20 cites·6 claims
- 1048US4224722ASwivel hook assemblyLUDWIG IND·Filed 1978·Granted Sep 30, 1980·15 cites·2 claims
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Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →