HM

Harold Dale Mathias

EM Emeh: 1 patents #1 of 11Top 10%
📍 Watsontown, PA: #3 of 7 inventorsTop 45%
🗺 Pennsylvania: #2,522 of 7,529 inventorsTop 35%
Overall (2017): #407,802 of 506,227Top 85%
1
Patents 2017

Issued Patents 2017

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9758981 Stair expansion joint system with freedom of movement between landings Bryan I. Charles, Roger W. Barr, Kevin W. Smith, Anthony J. Peachey, Timothy A. Fisher +2 more 2017-09-12