P

Inventor

GREEN JOHN D

US13 patents
⚠️ This page may combine multiple inventors who share the name “GREEN JOHN D”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

BRITISH AMERICAN TOBACCO CO

5 patents
US4163452AAug 7, 1979

Tobacco-smoke filters

BRITISH AMERICAN TOBACCO CO34 citations92
US4662384AMay 5, 1987

Smoking articles

BRITISH AMERICAN TOBACCO CO23 citations81
US4213470AJul 22, 1980

Tobacco-smoke filters

BRITISH AMERICAN TOBACCO CO11 citations72
US4219033AAug 26, 1980

Tobacco-smoke filters

BRITISH AMERICAN TOBACCO CO11 citations69
US5052412AOct 1, 1991

Making of smoking articles

BRITISH AMERICAN TOBACCO CO4 citations58

HOLOPHANE LIGHTING INC

2 patents
US5404094AApr 4, 1995

Wide input power supply and method of converting therefor

HOLOPHANE LIGHTING INC96 citations93
US5619077AApr 8, 1997

System and method for providing alternate AC voltage

HOLOPHANE LIGHTING INC35 citations87

MANVILLE SERVICE CORP

2 patents
US4451875AMay 29, 1984

Poster panel lighting fixture

MANVILLE SERVICE CORP31 citations88
US4320969AMar 23, 1982

Method and assembly for measuring equivalent sphere illumination in the field

MANVILLE SERVICE CORP4 citations62

HOLOPHANE CORP

1 patent
US5550697AAug 27, 1996

System and method for controlling DC to AC voltage inverter

HOLOPHANE CORP26 citations92

STAR HEADLIGHT & LANTERN CO INC

1 patent
USD639688SJun 14, 2011

Acoustic backup alarm capable of dual technology (acoustical and optical) operation

STAR HEADLIGHT & LANTERN CO INC14 citations83

GREEN JOHN D

1 patent
US8390211B2Mar 5, 2013

Constant lumen output control system

GREEN JOHN D5 citations67

NSI ENTPR INC

1 patent
US6246187B1Jun 12, 2001

System for promoting passive end of life light source failure

NSI ENTPR INC1 citations51