Inventor · disambiguated record
Ralph E. Unruh
Also filed as: UNRUH RALPH E
3 granted patents·197 citations·filing 1982–1984
77Inventor score
Files withARMSTRONG WORLD IND INC3
Top patents by PatentIndex Score
3 records- 0195US4689259AFloor tile product and processARMSTRONG WORLD IND INC·Filed 1984·Granted Aug 25, 1987·96 cites·5 claims
- 0291US4504523ADurable, low-maintenance flooring tileARMSTRONG WORLD IND INC·Filed 1983·Granted Mar 12, 1985·70 cites·1 claims
- 0377US4418109ADurable, low-maintenance flooring tileARMSTRONG WORLD IND INC·Filed 1982·Granted Nov 29, 1983·31 cites·3 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →