Skip to content
PatentBrief

Inventor

Gerstenzang Leo

Patents indexed

1

Year range

1929

Associated with

Years active

1929

Total patents

1

Most recent

1929

Domains

consumer_electronicsmechanical

Activity by decade

1920s
1

Patents

1

Career timeline

1 patents, in 1929

Dot size = forward citations

19291930

Hover or tap any dot to see the patent. Larger dots indicate more forward citations — a proxy for downstream influence.

US 1721815·1929·Individual

How the First Cotton Swabs Were Mass-Produced

Leo Gerstenzang's 1929 patent for the automated manufacturing of cotton-tipped applicators, the invention that created the modern Q-Tip.

Patent monitoring

Get a weekly digest when new patents naming Gerstenzang Leo are indexed.

Get alerts →