Calvin Walker

UN Unknown: 2 patents #12,644 of 83,584Top 20%

📍 Bridgeton, MO: #17 of 97 inventorsTop 20%

🗺 Missouri: #5,256 of 23,789 inventorsTop 25%

Overall (All Time): #1,204,904 of 4,157,543Top 30%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
9376817	Rafter center translation tool set	—	2016-06-28
RE44102	Location specific alarm relay (L.S.A.R)	—	2013-03-26
6344799	Location specific alarm relay (L.S.A.R)	—	2002-02-05
D265364	Newspaper stand	—	1982-07-13