Found some pretty interesting stuff in the list of patents there.
http://www.kbrhorse.net/strpatents/3094220.pdfMcGraw Edison tandem dual clamshell "power bracket" with internal ballast.
http://www.kbrhorse.net/strpatents/3170634.pdfLM Styled Mercury Luminaire.
http://www.kbrhorse.net/strpatents/3257553.pdfFaceted variant of the GE M-100 that never seemed to make it to production.
http://www.kbrhorse.net/strpatents/2662165.pdfEarly Holophane wall light.
http://www.kbrhorse.net/strpatents/2584671.pdfGE integrally ballasted medium pressure MV luminaire from the 1940s.
http://www.kbrhorse.net/strpatents/2739226.pdfGE Form 109, note the incandescent version with vertical lamp.
http://www.kbrhorse.net/strpatents/3283140.pdfGE Form 400, interesting medium pressure MV variant with arc shaping coil.
http://www.kbrhorse.net/strpatents/2974219.pdfWestinghouse OV-10
http://www.kbrhorse.net/strpatents/3065338.pdfWestinghouse OV-25 First Generation