David Gruhlke

📍 Zimmerman, MN: #27 of 80 inventorsTop 35%

🗺 Minnesota: #19,064 of 52,454 inventorsTop 40%

Overall (All Time): #1,529,151 of 4,157,543Top 40%

Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #	Title	Co-Inventors	Date
D701975	Sleeve for a barrier	—	2014-04-01
D612073	Grade board skirt	—	2010-03-16
5315796	Protective sleeve for posts in post frame construction	—	1994-05-31