Inventor

LEITCH OLAN

US62 patents

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

BUILDING MATERIALS INVEST CORP

32 patents

USD799721SOct 10, 2017

Shingle

BUILDING MATERIALS INVEST CORP29 citations94

US9752324B2Sep 5, 2017

Roofing shingle system and shingles for use therein

BUILDING MATERIALS INVEST CORP25 citations94

US9739062B2Aug 22, 2017

Roofing shingle system and shingles for use therein

BUILDING MATERIALS INVEST CORP44 citations94

USD793584SAug 1, 2017

Multi-layer shingle

BUILDING MATERIALS INVEST CORP21 citations94

USD776303SJan 10, 2017

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

USD769472SOct 18, 2016

Shingle

BUILDING MATERIALS INVEST CORP26 citations94

USD767172SSep 20, 2016

Shingle

BUILDING MATERIALS INVEST CORP29 citations94

USD766468SSep 13, 2016

Shingle

BUILDING MATERIALS INVEST CORP37 citations94

USD766469SSep 13, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

USD766466SSep 13, 2016

Shingle

BUILDING MATERIALS INVEST CORP29 citations94

USD766467SSep 13, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

USD765886SSep 6, 2016

Shingle

BUILDING MATERIALS INVEST CORP26 citations94

USD765885SSep 6, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

USD765888SSep 6, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

USD765887SSep 6, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

USD765273SAug 30, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

USD765274SAug 30, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

US9416539B2Aug 16, 2016

Roofing shingle system and shingles for use therein

BUILDING MATERIALS INVEST CORP26 citations94

USD764076SAug 16, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

USD763468SAug 9, 2016

Shingle

BUILDING MATERIALS INVEST CORP26 citations94

US9410323B1Aug 9, 2016

Roofing shingle system and shingles for use therein

BUILDING MATERIALS INVEST CORP34 citations94

USD763471SAug 9, 2016

Shingle

BUILDING MATERIALS INVEST CORP32 citations94

USD763470SAug 9, 2016

Shingle

BUILDING MATERIALS INVEST CORP39 citations94

USD762879SAug 2, 2016

Shingle

BUILDING MATERIALS INVEST CORP38 citations94

USD762880SAug 2, 2016

Shingle

BUILDING MATERIALS INVEST CORP43 citations94

USD762881SAug 2, 2016

Shingle

BUILDING MATERIALS INVEST CORP37 citations94

US9399870B2Jul 26, 2016

Roofing shingle system and shingles for use therein

BUILDING MATERIALS INVEST CORP27 citations94

US9399871B2Jul 26, 2016

Roofing shingle system and shingles for use therein

BUILDING MATERIALS INVEST CORP34 citations94

USD747501SJan 12, 2016

Shingle

BUILDING MATERIALS INVEST CORP39 citations94

USD747007SJan 5, 2016

Shingle

BUILDING MATERIALS INVEST CORP25 citations94

US9404260B2Aug 2, 2016

Roofing shingle system and shingles for use therein

BUILDING MATERIALS INVEST CORP20 citations93

US9140012B1Sep 22, 2015

Roofing shingle system and shingles for use therein

BUILDING MATERIALS INVEST CORP61 citations92

BUILDING MAT INVESTMENT CORP

11 patents

US11002015B2May 11, 2021

Roofing material

BUILDING MAT INVESTMENT CORP17 citations94

US10995495B2May 4, 2021

Roofing material

BUILDING MAT INVESTMENT CORP17 citations94

US10415247B2Sep 17, 2019

Roofing material

BUILDING MAT INVESTMENT CORP20 citations94

USD857931SAug 27, 2019

Multi-layer shingle

BUILDING MAT INVESTMENT CORP22 citations94

USD857932SAug 27, 2019

Single-layer shingle

BUILDING MAT INVESTMENT CORP25 citations94

USD856539SAug 13, 2019

Shingle

BUILDING MAT INVESTMENT CORP19 citations94

US10180001B2Jan 15, 2019

Roofing shingle system and shingles for use therein

BUILDING MAT INVESTMENT CORP30 citations94

USD829935SOct 2, 2018

Shingle

BUILDING MAT INVESTMENT CORP20 citations94

USD805221SDec 12, 2017

Shingle

BUILDING MAT INVESTMENT CORP36 citations94

USD804687SDec 5, 2017

Shingle

BUILDING MAT INVESTMENT CORP23 citations94

US9845602B2Dec 19, 2017

Roofing material

BUILDING MAT INVESTMENT CORP18 citations92

LEITCH OLAN

6 patents

USD670409SNov 6, 2012

Shingle

LEITCH OLAN47 citations98

USD670827SNov 13, 2012

Shingle

LEITCH OLAN46 citations94

USD670826SNov 13, 2012

Shingle

LEITCH OLAN42 citations94

USD670825SNov 13, 2012

Shingle

LEITCH OLAN42 citations94

USD670408SNov 6, 2012

Shingle

LEITCH OLAN42 citations94

USD670407SNov 6, 2012

Shingle

LEITCH OLAN43 citations94

ELK PREMIUM BUILDING PROD INC

1 patent

US8381489B2Feb 26, 2013

Method for cutting roofing shingles

ELK PREMIUM BUILDING PROD INC42 citations93

Showing the top 50 of 62 patents by PatentIndex Score.