Donald J. Petersen

NG National Gypsum: 1 patents #36 of 61Top 60%

📍 North Tonawanda, NY: #123 of 212 inventorsTop 60%

🗺 New York: #67,335 of 115,490 inventorsTop 60%

Overall (All Time): #4,093,560 of 4,157,543Top 100%

Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
4279673	Hard-edge wallboard	George H. White	1981-07-21