Inventor · disambiguated record

John H. Crabtree

Also filed as: CRABTREE JOHN H

2 granted patents·36 citations·filing 2003–2003

61Inventor score

Technology areasA61B

Files withCRABTREE JOHN H2

Top patents by PatentIndex Score

2 records

0154US7214228B2Tunnel port apparatusCRABTREE JOHN H·Filed 2003·Granted May 8, 2007·29 cites·13 claims
0242US7217275B2Tunnel port apparatus with serial gas-check assemblyCRABTREE JOHN H·Filed 2003·Granted May 15, 2007·7 cites·11 claims

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