Inventor · disambiguated record
Ralph Oliver Ranck
Also filed as: RANCK RALPH OLIVER
2 granted patents·4 citations·filing 1975–1975
41Inventor score
Technology areasC08J
Files withDU PONT2
Top patents by PatentIndex Score
2 records- 0126US3958065APolyester film coated with a vinylidene chloride copolymer containing a linear polyester resinDU PONT·Filed 1975·Granted May 18, 1976·4 cites·14 claims
- 0218US3975573APolyester film coated with an inorganic coating and with a vinylidene chloride copolymer containing a linear polyester resinDU PONT·Filed 1975·Granted Aug 17, 1976·0 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →