Skip to main content
United States Lighthouse Society
Main navigation
About
Mission, Vision & Strategy
Society Headquarters
Society History
USLHS Board of Directors
Staff & Volunteers
USLHS Mascots
Preservation Grants Program
Chapters and Affiliates
Endowments
Society Restoration Projects
Holland Award
Donate
Contact Us
Passports
Passport Level of Membership
Get a Lighthouse Passport
Participating Stamp Locations
Hall of Fame
Goals & Guidelines
Levels of Achievement
Collector Stamp Series
Stamp Flashes Newsletter
Become a Participating Location
Membership
Join or Renew
Matching Gifts
The Keeper's Log
Donate
International Memberships
Resources
Lighthouse Research Catalog
The Keeper's Log Journal
Lighthouse Enthusiast Community
Lighthouse Technology
Light Lists
Lighthouse Inspection Reports
Foghorns
Finding Information
Preservation & Management
Education
Kid's Corner
USLHS Research Services
In Memoriam
USA Stars & Lights
Travel
USLHS Tours
Other Tours/Cruises
Accommodations
Videos
Past Tours
Donate
Shop
40th Anniversary Collection
Books
Clothing
Collectibles
Memberships
Donate
Search
p. 415.362.7255 |
info@uslhs.org
0 items
p. 415.362.7255 |
info@uslhs.org
Lighthouse 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
Pagination
Page
1
Page
2
Page
3
Page
4
Page
5
Page
6
Page
7
Next page
››
Last page
Last »