Inventor · disambiguated record
Richard F. Heitzmann
Also filed as: HEITZMANN RICHARD F
3 granted patents·553 citations·filing 1985–1990
80Inventor score
Top patents by PatentIndex Score
3 records- 0196US4642137AMineral binder and compositions employing the sameLONE STAR IND INC·Filed 1985·Granted Feb 10, 1987·259 cites·12 claims
- 0293US4842649ACement composition curable at low temperaturesPYRAMENT INC·Filed 1987·Granted Jun 27, 1989·180 cites·16 claims
- 0391US4997484AHydraulic cement and composition employing the sameLONE STAR IND INC·Filed 1990·Granted Mar 5, 1991·114 cites·24 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →