Inventor · disambiguated record
Ralph T. Spencer
Also filed as: SPENCER RALPH T
1 granted patent·3 pending applications·0 citations·filing 2004–2011
11Inventor score
Top patents by PatentIndex Score
4 records- 0140US7900393B2Landscape material and method for making sameMULCH MFG INC·Filed 2007·Granted Mar 8, 2011·0 cites·6 claims
- 0237US2011287182A1Apparatus and method for coloring landscape materialSPENCER JOHN W·Filed 2011·Application pending·0 cites
- 0328US2005139155A1Apparatus and method for coloring landscape materialMULCH MFG INC·Filed 2004·Application pending·0 cites
- 0426US2005150811A1Method for wrapping productMULCH MFG INC·Filed 2005·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →