Inventor
DROST RONALD T
US5 patents
Patents
5 patentsUS6988877B2Jan 24, 2006
Screw machine
CARRIER CORP11 citations91
US6506037B1Jan 14, 2003
Screw machine
CARRIER CORP27 citations91
US7153111B2Dec 26, 2006
Screw machine
CARRIER CORP6 citations72
US6986652B2Jan 17, 2006
Screw machine
CARRIER CORP5 citations72
US6893240B2May 17, 2005
Screw machine
CARRIER CORP6 citations71