RB

Rodney K. Barker

UN Unknown: 1 patents #29,356 of 83,584Top 40%
Overall (All Time): #2,314,483 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4993764 Door jamb security apparatus 1991-02-19
4862658 Door jamb alignment and security apparatus William Barker 1989-09-05