David John Steigerwald

📍 Rochester Hills, MI: #742 of 1,754 inventorsTop 45%

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

Overall (All Time): #1,961,137 of 4,157,543Top 50%

Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #	Title	Co-Inventors	Date
10045607	System for retaining at least one plastic bag within a motor vehicle	—	2018-08-14
9687068	Handle for plastic grocery bags or the like and related system	—	2017-06-27