Inventor
EWING ROBERT L
47 patents
⚠️ This page may combine multiple inventors who share the name “EWING ROBERT L”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
MANVILLE CORP
16 patentsUS4791539ADec 13, 1988
Luminaire having quick-disconnect electrical components
MANVILLE CORP44 citations93
USD298861SDec 6, 1988
Area light
MANVILLE CORP43 citations92
USD294066SFeb 2, 1988
Area light
MANVILLE CORP43 citations91
USD295792SMay 17, 1988
Area light
MANVILLE CORP8 citations73
USD294645SMar 8, 1988
Area light
MANVILLE CORP12 citations73
USD294523SMar 1, 1988
Area light
MANVILLE CORP11 citations72
USD300670SApr 11, 1989
Luminaire
MANVILLE CORP10 citations71
USD300469SMar 28, 1989
Industrial luminaire housing
MANVILLE CORP11 citations71
US4719540AJan 12, 1988
Unitized mounting device for mounting electrical components of a luminaire
MANVILLE CORP17 citations70
USD303434SSep 12, 1989
Industrial luminaire
MANVILLE CORP2 citations62
USD294647SMar 8, 1988
Area light
MANVILLE CORP5 citations62
USD293722SJan 12, 1988
Stanchion for exterior luminaire
MANVILLE CORP5 citations62
USD295328SApr 19, 1988
Area light
MANVILLE CORP3 citations61
USD294397SFeb 23, 1988
Area light
MANVILLE CORP4 citations61
USD300671SApr 11, 1989
Luminaire
MANVILLE CORP5 citations59
USD293721SJan 12, 1988
Area light
MANVILLE CORP0 citations51
HOLOPHANE CO INC
11 patentsUS5243508ASep 7, 1993
Modular luminaire assembly
HOLOPHANE CO INC57 citations94
US5121309AJun 9, 1992
Industrial luminaire with a quickly installed new and improved optical assembly
HOLOPHANE CO INC32 citations92
USD321408SNov 5, 1991
Luminaire
HOLOPHANE CO INC30 citations92
USD315612SMar 19, 1991
Luminaire
HOLOPHANE CO INC43 citations92
USD338977SAug 31, 1993
Pole mounted street luminaire
HOLOPHANE CO INC20 citations81
USD333011SFeb 2, 1993
Luminaire
HOLOPHANE CO INC10 citations73
USD332504SJan 12, 1993
Luminaire
HOLOPHANE CO INC14 citations73
USD343243SJan 11, 1994
Pole mounted street luminaire
HOLOPHANE CO INC12 citations72
USD338978SAug 31, 1993
Pole mounted street luminaire
HOLOPHANE CO INC10 citations72
USD339877SSep 28, 1993
Pole mounted street luminaire
HOLOPHANE CO INC4 citations61
USD307188SApr 10, 1990
Luminaire
HOLOPHANE CO INC4 citations61
HOLOPHANE CORP
7 patentsUSD432257SOct 17, 2000
Suspended luminaire
HOLOPHANE CORP10 citations74
USD427353SJun 27, 2000
Suspended luminaire
HOLOPHANE CORP10 citations72
USD427354SJun 27, 2000
Suspended luminaire
HOLOPHANE CORP6 citations72
USD426664SJun 13, 2000
Suspended luminaire
HOLOPHANE CORP5 citations61
USD426340SJun 6, 2000
Suspended luminaire
HOLOPHANE CORP3 citations61
USD424730SMay 9, 2000
Pole top luminaire
HOLOPHANE CORP0 citations52
USD426663SJun 13, 2000
Suspended luminaire
HOLOPHANE CORP0 citations50