Inventor · disambiguated record
Peter A. Speer
Also filed as: SPEER PETER A
4 granted patents·166 citations·filing 1991–1995
81Inventor score
Technology areasE01F
Top patents by PatentIndex Score
4 records- 0173US5392728ARoadway markers with concave curved edgesDAVIDSON PLASTIC COMPANY·Filed 1993·Granted Feb 28, 1995·46 cites·26 claims
- 0269US5460115ATemporary roadway markerDAVIDSON PLASTICS CORP·Filed 1994·Granted Oct 24, 1995·40 cites·32 claims
- 0366US5515807AOne-way roadway markerDAVIDSON PLASTICS CORP·Filed 1995·Granted May 14, 1996·38 cites·18 claims
- 0466US5327850ARoadway markerDAVIDSON PLASTICS CO·Filed 1991·Granted Jul 12, 1994·42 cites·25 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →