Assignee
RAMSEY DOUGLAS P
US·4 granted patents·302 citations·filing 1987–1991
Top patents by PatentIndex Score
4 records- 0195US4712704ASelf-sealing closureRAMSEY DOUGLAS P·Filed 1987·Granted Dec 15, 1987·103 cites·16 claims
- 0290US5186353ASelf-sealing closureRAMSEY DOUGLAS P·Filed 1991·Granted Feb 16, 1993·92 cites·9 claims
- 0386US5082134ASelf-sealing closureRAMSEY DOUGLAS P·Filed 1991·Granted Jan 21, 1992·74 cites·9 claims
- 0460US5036993ASelf-sealing closureRAMSEY DOUGLAS P·Filed 1990·Granted Aug 6, 1991·33 cites·18 claims
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