Assignee
DOUGLAS BATTERY MFG
US·7 granted patents·198 citations·filing 1979–1997
Top patents by PatentIndex Score
7 records- 0187USD294484SBattery housingDOUGLAS BATTERY MFG·Filed 1985·Granted Mar 1, 1988·35 cites·1 claims
- 0275US4693949AStorage battery housingDOUGLAS BATTERY MFG·Filed 1985·Granted Sep 15, 1987·45 cites·7 claims
- 0371US5843593ALeak resistant battery coverDOUGLAS BATTERY MFG·Filed 1997·Granted Dec 1, 1998·37 cites·25 claims
- 0459US5683830ALeak resistant battery coverDOUGLAS BATTERY MFG·Filed 1997·Granted Nov 4, 1997·24 cites·28 claims
- 0556US5646507ABattery charger systemDOUGLAS BATTERY MFG·Filed 1996·Granted Jul 8, 1997·41 cites·28 claims
- 0635US4239836ASystem for protecting and sealing intercell connecting links and poles of industrial batteriesDOUGLAS BATTERY MFG·Filed 1979·Granted Dec 16, 1980·10 cites·2 claims
- 0734US5840439ABattery coverDOUGLAS BATTERY MFG·Filed 1997·Granted Nov 24, 1998·6 cites·25 claims
Counts cover granted patents and pending applications in the PatentIndex corpus. How scoring works →