Inventor · disambiguated record
John L. Markham
Also filed as: MARKHAM JOHN L · MARKHAM JOHN LUCIEN
3 granted patents·58 citations·filing 1974–1993
73Inventor score
Top patents by PatentIndex Score
3 records- 0184US5305631ACathodic protection and leak detection process and apparatusCORROCON INC·Filed 1992·Granted Apr 26, 1994·40 cites·20 claims
- 0259US3972842AReclamation of fluoropolymersDUNLOP LTD·Filed 1974·Granted Aug 3, 1976·9 cites·15 claims
- 0347US5339911ACathodic protection and leak detection process and apparatusCORROCON INC·Filed 1993·Granted Aug 23, 1994·9 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →