Individual holder
BALLESTEROS ANGEL G
ES·2 granted patents·72 citations·filing 1990–1992
Individually held — no corporate assignee on record.
Top patents by PatentIndex Score
2 records- 0168US5137391AProcess to manufacture "in situ" safety barriers for roadsBALLESTEROS ANGEL G·Filed 1990·Granted Aug 11, 1992·44 cites·29 claims
- 0261US5263298AProcedure for making in-situ manholes for underground electric and telephone lines ductworkBALLESTEROS ANGEL G·Filed 1992·Granted Nov 23, 1993·28 cites·20 claims
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