Inventor · disambiguated record
Darryl Christmas
Also filed as: CHRISTMAS DARRYL · CHRISTMAS DARRYL L
2 granted patents·1 pending application·68 citations·filing 1999–2005
67Inventor score
Top patents by PatentIndex Score
3 records- 0187US6335506B2Laser hardened steel cutting ruleJ F HELMOLD & BROTHERS INC·Filed 2000·Granted Jan 1, 2002·39 cites·9 claims
- 0278US6218642B1Laser hardened steel cutting ruleJ F HELMOLD & BRO INC·Filed 1999·Granted Apr 17, 2001·29 cites·25 claims
- 0343US2005274634A1Container and system for constraining and paying out coiled steel rule or the likeCHRISTMAS DARRYL·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →