Assignee
HENGESTONE HOLDINGS INC
US·8 granted patents·146 citations·filing 1999–2020
Top patents by PatentIndex Score
8 records- 0193US9453341B1Wall system having core supporting blocks and decorative fascia blocksHENGESTONE HOLDINGS INC·Filed 2015·Granted Sep 27, 2016·24 cites·18 claims
- 0285US6324783B1Integrally moulded plastic landscape edging strip and spikesHENGESTONE HOLDINGS INC·Filed 1999·Granted Dec 4, 2001·58 cites·15 claims
- 0384US6382947B1Color blending apparatusHENGESTONE HOLDINGS INC·Filed 2000·Granted May 7, 2002·50 cites·8 claims
- 0473US10060124B2Construction system having corner core blocks and decorative face blocksHENGESTONE HOLDINGS INC·Filed 2017·Granted Aug 28, 2018·4 cites·10 claims
- 0567USD972172SPaving blockHENGESTONE HOLDINGS INC·Filed 2020·Granted Dec 6, 2022·6 cites·1 claims
- 0646US10316513B2Construction system having corner core blocks and decorative face blocksHENGESTONE HOLDINGS INC·Filed 2018·Granted Jun 11, 2019·0 cites·6 claims
- 0741US6565062B2Apparatus for the splitting of cast concrete dual blocksHENGESTONE HOLDINGS INC·Filed 2001·Granted May 20, 2003·2 cites·8 claims
- 0822US6226954B1Process and apparatus for the splitting of cast concrete dual blocksHENGESTONE HOLDINGS INC·Filed 1999·Granted May 8, 2001·2 cites·19 claims
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