Inventor · disambiguated record
Douglas T. Main, Jr.
Also filed as: MAIN JR DOUGLAS T
3 granted patents·126 citations·filing 1994–2001
75Inventor score
Top patents by PatentIndex Score
3 records- 0192US6600999B2Hi-rail vehicle-based rail inspection systemSPERRY RAIL INC·Filed 2001·Granted Jul 29, 2003·91 cites·30 claims
- 0283US6476603B2Brush assembly for magnetic induction test apparatusSPERRY RAIL INC·Filed 2001·Granted Nov 5, 2002·27 cites·40 claims
- 0333US5593116AHose retractorUNIVERSAL VALVE CO INC·Filed 1994·Granted Jan 14, 1997·8 cites·20 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →