DR

Douglas A. Richard

SP Secure Care Products: 1 patents #13 of 22Top 60%
SP Sunnen Products: 1 patents #23 of 38Top 65%
📍 Chesterfield, MO: #2,561 of 6,461 inventorsTop 40%
🗺 Missouri: #8,863 of 23,789 inventorsTop 40%
Overall (All Time): #2,151,465 of 4,157,543Top 55%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7450015 System and method for ensuring location of an individual within a designated area Michael Singer 2008-11-11
5234295 Adjustable support fixture Richard Jackson 1993-08-10