Street Light Technical Information Willis Lamm   STREET LIGHTS: Patents from 1980 Through 1984

Patents are an effective way to understand the development of street lighting in the United States. In this section I have posted patents as I located them. (Early patents are difficult to locate as they were not cross-indexed.) All patents are listed in order of their filing dates. Click on the patent number or thumbnail to view the entire patent.

Improved cutoff of stray light was still a priority in the 1980s, with additional improvements in post type luminaires and a few "Euro" styles showing up.

Patent No. 4310876 Filing date: March 17, 1980 Patent date: January 12, 1982 Title: Lighting Fixture and Method Using Multiple Reflections Inventor: Edward A. Small, Jr. and Ian Lewin Claims: Multi-faceted reflectors to produce improved light angles and cutoff patterns.
Patent No. 4360863 Filing date: June 16, 1980 Patent date: November 23, 1982 Title: Luminaire for Residential Roadway Lighting Inventor: Joycelyn T. Barnes, Cester A. Hard, III, Billy L. Shelby and Charles H. Loch Assignee: International Telephone and Telegraph Corp. Claims: Improved reflector and refractor for full cutoff residential luminaire.
Patent No. 4358816 Filing date: September 5, 1980 Patent date: November 9, 1982 Title: Roadway Luminaire Inventor: Trasimond A. Soileau Assignee: General Electric Co.. Claims: Multifaceted reflector for cobrahead luminaire.
Patent No. 4388680 Filing date: December 15, 1980 Patent date: June 14, 1983 Title: Luminaire for Roadway Lighting Inventor: William C. Moore Assignee: International Telephone and Telegraph Corp. Claims: Improved component arrangement for polycarbonate cobrahead body.

The remaining patents are still being uploaded. Please check back later.

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Please note: This index is a work in progress. If you notice an error or are aware of something that is missing, please feel free to Email me. Thanks!