Inventor · disambiguated record
William T. Sigman
Also filed as: SIGMAN WILLIAM T
7 granted patents·174 citations·filing 1982–1994
87Inventor score
Files withARMSTRONG WORLD IND INC7
Top patents by PatentIndex Score
7 records- 0189US4421782AProcess for providing improved radiation-curable surface coverings and products produced therebyARMSTRONG WORLD IND INC·Filed 1982·Granted Dec 20, 1983·51 cites·80 claims
- 0280US4855165AMethod for making stain and scratch resistant resilient surface coveringsARMSTRONG WORLD IND INC·Filed 1988·Granted Aug 8, 1989·28 cites·15 claims
- 0380US4781987AStain and scratch resistant resilient surface coveringsARMSTRONG WORLD IND INC·Filed 1987·Granted Nov 1, 1988·42 cites·10 claims
- 0466US5643677AAminoplast/polyurethane wear layer for PVC support surfaceARMSTRONG WORLD IND INC·Filed 1994·Granted Jul 1, 1997·39 cites·8 claims
- 0545US4420499AProcess for providing improved radiation-curable surface coverings and products produced therebyARMSTRONG WORLD IND INC·Filed 1982·Granted Dec 13, 1983·9 cites·78 claims
- 0631US5248443ASeam cleaning compositionARMSTRONG WORLD IND INC·Filed 1992·Granted Sep 28, 1993·3 cites·13 claims
- 0728US5198142ASeam cleaning compositionARMSTRONG WORLD IND INC·Filed 1991·Granted Mar 30, 1993·2 cites·17 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →