P

Inventor

PIGNATARO DOMINIC F

US5 patents
⚠️ This page may combine multiple inventors who share the name “PIGNATARO DOMINIC F”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

WALKER MAGNETICS GROUP INC

4 patents
US6229422B1May 8, 2001

Electrically switchable magnet system

WALKER MAGNETICS GROUP INC43 citations89
US6002317ADec 14, 1999

Electrically switchable magnet system

WALKER MAGNETICS GROUP INC34 citations89
US4633361ADec 30, 1986

Chuck control for a workpiece holding electromagnet

WALKER MAGNETICS GROUP INC30 citations89
US4663602AMay 5, 1987

Magnetic chuck

WALKER MAGNETICS GROUP INC10 citations70

MCDONALD DONALD C

1 patent
US4370693AJan 25, 1983

Demagnetizing apparatus for a workpiece holding electromagnet

MCDONALD DONALD C9 citations64