DR

Donald W. Ray

PE Perry Equipment: 2 patents #11 of 23Top 50%
📍 Helenwood, TN: #1 of 5 inventorsTop 20%
🗺 Tennessee: #4,555 of 20,272 inventorsTop 25%
Overall (All Time): #1,235,396 of 4,157,543Top 30%
4
Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
8308011 Yoke type quick opening closure Firdosh Mehta 2012-11-13
8297463 Closure for an equipment sub James McQuaid, Firdosh Mehta P E 2012-10-30
5452895 Three dimensional rotating puzzle that opens 1995-09-26
5242185 Shallow nose platform trailer Kimm L. Carr 1993-09-07