Austin, Texas
United States
4
2025-05-22
Howard Levin from Austin, US has applied for patents for these inventions. The list has both pending applications and granted patents:
Method and Apparatus for Social Distancing Alarm Systems
#2 | 2023-11-09Method and apparatus for social distancing alarm systems
#3 | 2022-07-21Method and apparatus for social distancing alarm systems
#4 | 2021-10-21Method and apparatus for social distancing alarm systems
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