Inventor · disambiguated record
Raymond L. Fier
Also filed as: FIER RAYMOND L
4 granted patents·117 citations·filing 1977–2004
80Inventor score
Technology areasE02D
Top patents by PatentIndex Score
4 records- 0184US4302126AManhole cover support ringFIER RAYMOND L·Filed 1979·Granted Nov 24, 1981·44 cites·15 claims
- 0282US4097171AManhole cover support ringFIER RAYMOND L·Filed 1977·Granted Jun 27, 1978·38 cites·20 claims
- 0368US4225266AMethod and apparatus for adjusting the elevation of manhole coversFIER RAYMOND L·Filed 1978·Granted Sep 30, 1980·24 cites·15 claims
- 0457US7165911B2Manhole cover riser assemblyAMERICAN HIGHWAY PRODUCTS LTD·Filed 2004·Granted Jan 23, 2007·11 cites·9 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →