Inventor · disambiguated record
Frederick R. Ewan
Also filed as: EWAN FREDERICK R
5 granted patents·401 citations·filing 1989–1999
86Inventor score
Files withEWAN FREDERICK R3
Top patents by PatentIndex Score
5 records- 0191US5958560ATemporary tatoo and method for manufacturing sameFiled 1997·Granted Sep 28, 1999·61 cites·7 claims
- 0289US5294470ATamper indicating containers and sealsEWAN FREDERICK R·Filed 1992·Granted Mar 15, 1994·107 cites·10 claims
- 0389US4998666ATamper indicating containers and sealsEWAN FREDERICK R·Filed 1989·Granted Mar 12, 1991·97 cites·10 claims
- 0488US6042881ATemporary tattoo and method for manufacturing sameFiled 1999·Granted Mar 28, 2000·47 cites·5 claims
- 0586US5060848ATamper indicating containers and sealsEWAN FREDERICK R·Filed 1990·Granted Oct 29, 1991·89 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →