Individual holder
CLIFFORD WALTER A
US·3 granted patents·97 citations·filing 1987–1990
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
3 records- 0184US4765361APorted gate valveCLIFFORD WALTER A·Filed 1987·Granted Aug 23, 1988·54 cites·3 claims
- 0263US5137261APorted gate valves, method and apparatusCLIFFORD WALTER A·Filed 1990·Granted Aug 11, 1992·29 cites·5 claims
- 0342US4962785ASafety valvesCLIFFORD WALTER A·Filed 1990·Granted Oct 16, 1990·14 cites·6 claims
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