FC

Frank Chvojcsek

SL Stenograph, L.L.C.: 1 patents #3 of 5Top 60%
📍 Chicago, IL: #69 of 289 inventorsTop 25%
🗺 Illinois: #566 of 2,749 inventorsTop 25%
Overall (1982): #65,665 of 81,411Top 85%
1
Patents 1982

Issued Patents 1982

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4363557 Marking device for shorthand machine Paul J. Fowler 1982-12-14