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Retro Trend of the Past

 - Jul 12, 2007   Updated: Jun 23 2011
References: patft.uspto.gov
U.S. Patent Number 1428065 is a sex calculator. This was a device for predicting the sex of your child that was invented by HUBERT BOYDS TIDSWELL in 1920. Here's how it worked: you had to have already had a child, know its gender, and know the birth date of your unborn child. Voila, you're having a boy. How does such knowledge get lost in the sands of time?

Implications - It is important for modern innovators and developers to reflect on the history and evolution of technologies and explore the roots of their topics of interest as they build new concepts. The development of technology is happening so rapidly, and looking to historic developments in particular fields helps to inspire new innovation and reflect on the significance of this growth.