Inventor · disambiguated record

John A. Spragge

Also filed as: SPRAGGE JOHN A

2 granted patents·216 citations·filing 2001–2001

72Inventor score

Technology areasB28B E04B

Files withECO BLOCK1 ECO BLOCK LLC1

Top patents by PatentIndex Score

2 records

0195US6609340B2Concrete structures and methods of forming the same using extendersECO BLOCK LLC·Filed 2001·Granted Aug 26, 2003·103 cites·36 claims
0292US6438918B2Latching system for components used in forming concrete structuresECO BLOCK·Filed 2001·Granted Aug 27, 2002·113 cites·45 claims

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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →