Inventor · disambiguated record
Frederick A. Steward
Also filed as: STEWARD FREDERICK A
5 granted patents·104 citations·filing 1977–1999
82Inventor score
Top patents by PatentIndex Score
5 records- 0177US5451414AMicronutrient supplementHERITAGE ENVIRONMENTAL SERV·Filed 1994·Granted Sep 19, 1995·25 cites·3 claims
- 0274US6265438B1Vitamin compatible micronutrient supplementHERITAGE TECHNOLOGIES LLC·Filed 1999·Granted Jul 24, 2001·41 cites·21 claims
- 0361US4159194ACrystallization apparatus and processDART IND INC·Filed 1977·Granted Jun 26, 1979·19 cites·16 claims
- 0461US4139429AElectrolytic cellDART IND INC·Filed 1978·Granted Feb 13, 1979·13 cites·7 claims
- 0539US5534043AMicronutrient supplementHERITAGE ENVIRONMENTAL SERV·Filed 1995·Granted Jul 9, 1996·6 cites·4 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →