Home › Steffens Enterprises › Chuck J. Steffens

Chuck J. Steffens — 1 Patent

SESteffens Enterprises: 1 patents #9 of 11Top 85%

Grand Rapids, MI: #1,022 of 1,824 inventorsTop 60%

Michigan: #49,615 of 86,293 inventorsTop 60%

Overall (All Time): #3,721,455 of 4,157,543Top 90%

1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #	Title	Co-Inventors	Date
5653491	Folding cargo bay cover for pickup trucks	John D. Kooiker	1997-08-05