Donald G. Martus

📍 Mount Clemens, MI: #168 of 421 inventorsTop 40%

🗺 Michigan: #35,034 of 86,293 inventorsTop 45%

Overall (All Time): #2,346,676 of 4,157,543Top 60%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
4607547	Stripped hex head drive socket	—	1986-08-26
4570691	Tire pressure regulation system	—	1986-02-18