Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Joe Spagua Standard Knapp 2
2 Steven D. Coste Otis Elevator 1
2 Olindo Savi The Siemon 1
2 Dale R. Barrett Otis Elevator 1
2 Mark Besharat Motorola 1
2 Vincent Ritone 1

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