Inventor

GRATCHEV OLEG

US3 patents

⚠️ This page may combine multiple inventors who share the name “GRATCHEV OLEG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TOOLTEK ENGINEERING CORP

2 patents

US6363594B1Apr 2, 2002

Apparatus for mounting a sleeve on a spindle

TOOLTEK ENGINEERING CORP11 citations69

US6836949B2Jan 4, 2005

Method for mounting a sleeve on a spindle

TOOLTEK ENGINEERING CORP3 citations58

LITREX CORP

1 patent

US7160105B2Jan 9, 2007

Temperature controlled vacuum chuck

LITREX CORP23 citations89