Inventor

James M Spangler

Patents indexed

Year range

1908

Associated with

Years active

1908

Total patents

Most recent

1908

Domains

mechanicalconsumer_electronics

Activity by decade

1900s

Patents

Career timeline

1 patents, in 1908

Dot size = forward citations

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How James Spangler Invented the First Portable Electric Vacuum Cleaner

A 1908 patent for a portable suction-based cleaning device that combined a rotating brush with a fan to lift dust into a bag.

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