SP

Silas Penn

📍 Detroit, MI: #314 of 1,512 inventorsTop 25%
🗺 Michigan: #27,158 of 86,293 inventorsTop 35%
Overall (All Time): #1,684,155 of 4,157,543Top 45%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
4316303 Auxiliary windshield and window wiper — 1982-02-23
4315170 Reversible electric motor — 1982-02-09
4221311 Bumper guard luggage carrier — 1980-09-09