JJ

Joseph Johnstonbaugh

UN Unknown: 1 patents #145 of 1,640Top 9%
📍 Port Matilda, PA: #2 of 3 inventorsTop 70%
🗺 Pennsylvania: #852 of 3,759 inventorsTop 25%
Overall (1989): #94,760 of 140,708Top 70%
1
Patents 1989

Issued Patents 1989

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4884445 Grip strength analyzer apparatus and method of using same Armin M. Sadoff, Richard C. Nelson, Gerald Smith, Steven J. Sadoff 1989-12-05