Inventor · disambiguated record
Denis C. Richards
Also filed as: RICHARDS DENIS C
4 granted patents·154 citations·filing 1991–1997
81Inventor score
Top patents by PatentIndex Score
4 records- 0180US5367007AMulti-layer composite block & process for manufacturingENVIROPAVER INC·Filed 1993·Granted Nov 22, 1994·43 cites·15 claims
- 0275US5609295AComposite railway tie and method of manufacture thereofGREEN TRACK INC·Filed 1995·Granted Mar 11, 1997·57 cites·15 claims
- 0365US5221702AComposite block & process for manufacturingENVIROPAVER INC·Filed 1991·Granted Jun 22, 1993·30 cites·26 claims
- 0450US5722589AComposite load bearing structureGREEN TRACK INC·Filed 1997·Granted Mar 3, 1998·24 cites·23 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →