Inventor · disambiguated record
Eric W. Shafer
Also filed as: SHAFER ERIC W
2 granted patents·27 citations·filing 1989–1991
60Inventor score
Files withPERMABASE INC2
Top patents by PatentIndex Score
2 records- 0156US5061318AImmobilization of incinerator ash toxic elements in an environmentally safe soil cement composition and method of manufacturePERMABASE INC·Filed 1989·Granted Oct 29, 1991·21 cites·16 claims
- 0232US5164008AImmobilization of incinerator ash toxic elements in an environmentally safe soil cement composition and method of manufacturePERMABASE INC·Filed 1991·Granted Nov 17, 1992·6 cites·12 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →