Donald R. Holfeld

HA Harsco: 1 patents #40 of 125Top 35%

📍 Mount Laurel, NJ: #108 of 194 inventorsTop 60%

🗺 New Jersey: #41,174 of 69,400 inventorsTop 60%

Overall (All Time): #3,215,238 of 4,157,543Top 80%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
8222893	Stringline and cross-level gauge	—	2012-07-17