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Inventor

BUTLER JOHN F

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

JONES & LAUGHLIN STEEL CORP

3 patents
US4289548ASep 15, 1981

High strength cold finished bars

JONES & LAUGHLIN STEEL CORP31 citations87
US4033789AJul 5, 1977

Method of producing a high strength steel having uniform elongation

JONES & LAUGHLIN STEEL CORP30 citations76
US4051270ASep 27, 1977

Method of measuring vapor deposited coating thickness

JONES & LAUGHLIN STEEL CORP14 citations71

SPS TECHNOLOGIES

1 patent
US5216622AJun 1, 1993

Ultrasonic drive/sense circuitry for automated fastener tightening

SPS TECHNOLOGIES43 citations90

BLOCKBUSTER INC

1 patent
US7742949B2Jun 22, 2010

System and method for processing media requests

BLOCKBUSTER INC23 citations84

LTV STEEL CO INC

1 patent
US6217673B1Apr 17, 2001

Process of making electrical steels

LTV STEEL CO INC13 citations70

BLOCKBUSTER L L C

1 patent
US7996265B2Aug 9, 2011

System and method for fulfilling a media request

BLOCKBUSTER L L C4 citations55

BUTLER JOHN F

1 patent
US10217181B2Feb 26, 2019

Digital watermarking systems and methods

BUTLER JOHN F1 citations54