SP

Silas Penn

📍 Detroit, MI: #2 of 62 inventorsTop 4%
🗺 Michigan: #148 of 1,972 inventorsTop 8%
Overall (1982): #7,677 of 81,411Top 10%
2
Patents 1982

Issued Patents 1982

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4316303 Auxiliary windshield and window wiper 1982-02-23
4315170 Reversible electric motor 1982-02-09