148909 Wigham Improvement in gas burners Patent
152538 Wigham Lighthouse Gas Burner Patent
174304 Robinson Ventilator Patent
177280 Robinson Ventilator Patent
177825 Funck Lamp Patent
178607 Doty, H. H. - Signal Lantern Patent
184855 Funck Lamp Patent
186201 Doty Patent Improvement in Lamp Burners
186535 Brown's Caloric Engine
188700 Gustav Von Otter Lighthouse Signaling Patent
190979 Pintsch Floating Light Patent
195461 Stevens Fog Bell Striker
204806 Forrest Self-Lighting Lamps for Lighthouses Patent
216652 Burnap Lamp Patent
216820 Barker Fog Signal Patent
236772 Brown, Felix Fog Signal Patent
237156 Barbier & Fenestre Buoy - Patent
238377 Foster Automatic Lighting Device Patent
256796 J B D Lamp Chimney Patent
266457 Funck Lamp Patent