Stephen George Kieffer

KC Kieffer & Co.: 5 patents #1 of 2Top 50%

📍 Sister Bay, WI: #4 of 6 inventorsTop 70%

🗺 Wisconsin: #9,054 of 40,088 inventorsTop 25%

Overall (All Time): #1,034,188 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
D515222	Octopost extrusion	—	2006-02-14
D452915	Semi-octopost extrusion	—	2002-01-08
D448862	Semi-octopost extrusion	—	2001-10-02
D436669	Canopy shelter	—	2001-01-23
D435669	Canopy shelter	—	2000-12-26