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Patents

1305 Winslow Lewis Magnifying Lens, Lamp and Reflector Patent.pdf

1934 Hemmenway Argand Lamp Patent.pdf

2039 Greenough Lamp Patent.pdf

3518 Farrar Patent - Metalic Reflector.pdf

3692 Hemmenway - Lewis Lamp Patent.pdf

3894 Coston Catoptric Gas Burner Patent.pdf

4454 Wheeler Lighthouse Lamp Patent.pdf

14492 Coates Lamp Patent.pdf

25611 Smith Oxy Hydrogen Light Patent.pdf

28837 Daboll Fog Alarm Patent.pdf

34037 Robinson Ventilator Patent.pdf

35122 Williams Locomotive Lamp Patent

66942 Brown, Felix Siren Patent

93871 Funck Lamp Patent

97772 Hayden shade ring for lamp burners Patent

109303 Doty Lamp Patent

115035 Dennis Lantern Globe Holder Patent

123980 Dennis Lantern Patent

133647 Jackson Lamp Patent

145915 Stewart Improvement in Fog Signals Patent

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