On May 5, 1809, Mary Kies became the first woman granted a US patent.
Source:
Author: Major Dan
Narrator: Dr. Zar
Editor: Dr. Zar
All images used in...
### Forgotten Inventors: Highlighting Lesser-Known Contributions
#### Hedy Lamarr
**Contribution:** Frequency Hopping Spread Spectrum Technology
Hedy Lamarr, an Austrian-American actress, was more than just a Hollywood starlet;...