Assignee

DOUGLAS BATTERY MFG CO

US·2 granted patents·33 citations·filing 1998–2004

Technology mixH01M2 Y02E2 H04M1 H04Q1 Y02P1 Y10T1

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2 records

0179US7740142B2Battery construction for mounting a shelved rackDOUGLAS BATTERY MFG CO·Filed 2004·Granted Jun 22, 2010·23 cites·8 claims
0236US6194100B1Method for making valve-regulated lead acid battery with vacuum draw downDOUGLAS BATTERY MFG CO·Filed 1998·Granted Feb 27, 2001·10 cites·13 claims

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