PT

Peter F. Theis

📍 McHenry, IL: #1 of 8 inventorsTop 15%
🗺 Illinois: #186 of 2,749 inventorsTop 7%
Overall (1982): #9,206 of 81,411Top 15%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4338494 Telephone call inventorying and sequencing system and method 1982-07-06
4328396 Total service telephone answering system 1982-05-04