Inventor · disambiguated record
Robert A. Nagelkirk
Also filed as: NAGELKIRK ROBERT A
6 granted patents·248 citations·filing 1979–1993
87Inventor score
Files withMILLER HERMAN INC6
Top patents by PatentIndex Score
6 records- 0191US5106157AChair height and tilt adjustment mechanismsMILLER HERMAN INC·Filed 1989·Granted Apr 21, 1992·82 cites·50 claims
- 0289US4320935AStructural support system with load controlMILLER HERMAN INC·Filed 1979·Granted Mar 23, 1982·57 cites·12 claims
- 0388US5192114ATilt adjustment control for a chairMILLER HERMAN INC·Filed 1991·Granted Mar 9, 1993·74 cites·33 claims
- 0445US5244253AHeight adjustment control for a chairMILLER HERMAN INC·Filed 1991·Granted Sep 14, 1993·13 cites·16 claims
- 0544US5288045AChair baseMILLER HERMAN INC·Filed 1993·Granted Feb 22, 1994·12 cites·17 claims
- 0642US5249768AChair baseMILLER HERMAN INC·Filed 1989·Granted Oct 5, 1993·10 cites·8 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →