Charles M. Wiltberger

📍 Fox Lake, IL: #12 of 43 inventorsTop 30%

🗺 Illinois: #21,447 of 84,256 inventorsTop 30%

Overall (All Time): #1,260,096 of 4,157,543Top 35%

Patents All Time

Issued Patents All Time

Showing 1–4 of 4 patents

Patent #	Title	Co-Inventors	Date
7114776	Lumbar support cushion	—	2006-10-03
D509693	Back relief support cushion	—	2005-09-20
D509396	Combined cushion and adjustable lumbar support	—	2005-09-13
5217269	Portable handled door stop	—	1993-06-08