RV

Robert J. Viviano

📍 Chesterfield, MO: #1,541 of 6,461 inventorsTop 25%
🗺 Missouri: #5,256 of 23,789 inventorsTop 25%
Overall (All Time): #1,186,817 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
10017962 Symmetrical uni-directional single action centered cylinder keyless deadbolt door lock assembly for right or left hand hung doors 2018-07-10
9493965 Symmetrical uni-directional single action centered cylinder keyless deadbolt door lock assembly for right or left hand hung doors 2016-11-15
8360482 Spring activated adjustable dead bolt latch 2013-01-29
7389661 Keyless deadbolt door lock assembly Robert D. Boehlow 2008-06-24