October 13, 2009
- New early glass block patents transcribed (first would be impractical due
to difficulty annealing the thick glass sections):
- Finished transcribing 1898 patents:
- 596,881 · Jacobs · Illuminating-Grating
- 596,882 · Jacobs · Illuminating-Grating
- 596,883 · Jacobs · Illuminating-Grating
- D28,218 · Cummings · Design for a Prism-Light
- 600,880 · Magnusen · Sidewalk-Light Construction
- 603,799 · Sullivan · Illuminating-Lens for Sidewalks
- D28,909 · Millet · Design for a Prism-Light
- 606,554 · Jacobs · Ventilating Vault-Cover
- D29,044 · Magnusen · Design for a Vault-Light
- 607,792 · Winger · Window Pane or Light
- D29,113 · Winger · Design for a Window-Light
- D29,114 · Winger · Design for a Window-Light
- D29,399 · Mahony · Design for a Vault-Light
- 614,327 · Jacobs · Light for Sidewalks, &c.
- D29,805 · Cummings · Design for a Prism-Window
- D29,806 · Cummings · Design for a Prism-Window
- D29,807 · Cummings · Design for a Prism-Window
- D29,808 · Cummings · Design for a Prism-Window
- D29,809 · Cummings · Design for a Prism-Window
- D29,810 · Cummings · Design for a Prism-Window
- Identified new US prism glass maker Daylight Glass Mfg. Co of
Philadelphia from this advertising card
August 2, 2009
July 19, 2009
July 13, 2009
July 9, 2009
July 5, 2009
June 27, 2009
June 16, 2009
June 6, 2009
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