Transcribed
Theophilus Van Kannel patents the revolving door - August 7th, 1888
Aug 7, 2023 ·
9m 10s
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Theophilus Van Kannel patents the revolving door - August 7th, 1888
Description
On this day in 1888, American inventor Theophilus Van Kannel was granted a patent for the revolving door.See omnystudio.com/listener for privacy information.
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| Author | How Stuff Works |
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