Walter J. Sperko

📍 Kernersville, NC: #70 of 355 inventorsTop 20%

🗺 North Carolina: #10,032 of 45,564 inventorsTop 25%

Overall (All Time): #1,026,784 of 4,157,543Top 25%

Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #	Title	Co-Inventors	Date
7481092	Dimpler and method	—	2009-01-27
7013699	Pipe fitting tool and method	—	2006-03-21
6269674	Tubular fitting, tool and method	—	2001-08-07
5072960	Sterilizer cart	—	1991-12-17
4932160	Closure apparatus and method	—	1990-06-12