William G. Johnston

AA Aluminum Company Of America: 1 patents #495 of 1,017Top 50%

HL Henkel Limited: 1 patents #428 of 861Top 50%

📍 Pittsburgh, PA: #3,179 of 7,570 inventorsTop 45%

🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%

Overall (All Time): #2,210,044 of 4,157,543Top 55%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
6344090	Metal loss inhibitors and processes therewith	—	2002-02-05
4243537	Synthetic metal working lubricant	James E. Knepp, Myron J. Jursich	1981-01-06