Inventor · disambiguated record
John T. Grzan
Also filed as: GRZAN JOHN · GRZAN JOHN T
4 granted patents·28 citations·filing 2004–2009
71Inventor score
Technology areasH01H
Top patents by PatentIndex Score
4 records- 0169US7176397B2Water resistant switch mat having activation across its entire surfaceTAPESWITCH CORP·Filed 2005·Granted Feb 13, 2007·7 cites·20 claims
- 0269US7119704B2Machine guarding system having a sensing mat with status indicator lightsTAPESWITCH CORP·Filed 2004·Granted Oct 10, 2006·20 cites·19 claims
- 0339US7659485B2Linear pressure switch apparatus and methodGRZAN JOHN T·Filed 2007·Granted Feb 9, 2010·1 cites·7 claims
- 0436US8026454B2Linear pressure switch apparatus and methodGRZAN JOHN T·Filed 2009·Granted Sep 27, 2011·0 cites·16 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →