Inventor · disambiguated record
Rowland Retrum
Also filed as: RETRUM ROWLAND
6 granted patents·108 citations·filing 1978–1993
84Inventor score
Top patents by PatentIndex Score
6 records- 0172US4286884AApparatus for hydrolyzing keratinaceous materialRETRUM ROWLAND·Filed 1980·Granted Sep 1, 1981·41 cites·9 claims
- 0267US4269865AProcess for the production of a food product from feathersRALSTON PURINA CO·Filed 1979·Granted May 26, 1981·21 cites·3 claims
- 0357US5322009AApparatus for metered infeeding, compacting as required, and pumping to elevated pressure tough long-stranded material of little fluidity, such as raw feathersRETRUM ROWLAND·Filed 1993·Granted Jun 21, 1994·13 cites·15 claims
- 0457US4378311AMethod for hydrolyzing keratinaceous materialRETRUM ROWLAND·Filed 1980·Granted Mar 29, 1983·15 cites·13 claims
- 0549US4497733AApparatus for hydrolyzing keratinaceous materialRETRUM ROWLAND·Filed 1982·Granted Feb 5, 1985·10 cites·4 claims
- 0642US4231926AMethod and apparatus for hydrolyzing keratinaceous materialRETRUM ROWLAND·Filed 1978·Granted Nov 4, 1980·8 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →