Inventor

BARRETT WILLIAM A

US6 patents

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

LASA IND INC

2 patents

US5338924AAug 16, 1994

Apparatus and method for automatic focusing of light using a fringe plate

LASA IND INC57 citations92

US4978841ADec 18, 1990

Automatic leveling system and a method of leveling a workpiece based on focus detection

LASA IND INC20 citations81

ALLIED CORP

2 patents

US4725254AFeb 16, 1988

Method for manufacturing a center electrode for a spark plug

ALLIED CORP14 citations73

US4705486ANov 10, 1987

Method for manufacturing a center electrode for a spark plug

ALLIED CORP16 citations65

ALLIANT TECHSYSTEMS INC

1 patent

US5331561AJul 19, 1994

Active cross path position correlation device

ALLIANT TECHSYSTEMS INC127 citations95

ALLIED SIGNAL INC

1 patent

US5456624AOct 10, 1995

Spark plug with fine wire rivet firing tips and method for its manufacture

ALLIED SIGNAL INC36 citations88