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Inventor

Spencer L. Cantwell

Inventor
Sisters, OR, US

Overview

2→
Patents
2013–2014
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 2 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

E01Cprimary
E01CConstruction of, or surfaces for, roads, sports grounds, or the like50%
E01FAdditional work, such as equipping roads or the construction of platforms, helicopter landing stages, signs, snow fences, or the like50%
PatentTitleYear
8,702,342'Multi-application apparatus, methods and surface markings'20148,465,224'Multi-application apparatus, methods and surface markings'2013

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2013–2014Patents assigned to SPECIALIZED PAVEMENT MARKING INC (2)· patent assignee history
2013Patents assigned to BUSSE ROBERT (1)· patent assignee history
2013Patents assigned to CANTWELL SPENCER L (1)· patent assignee history
2013Patents assigned to PRICE MARK A (1)· patent assignee history
2013–2014Based in Sisters, OR, US· patent location history
2014Patents assigned to SPECIALIZED PAVEMENT MARKETING INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SPECIALIZED PAVEMENT MARKING INC22013–2014
BUSSE ROBERT12013
CANTWELL SPENCER Lself12013
PRICE MARK A12013
SPECIALIZED PAVEMENT MARKETING INC12014
Locations
LocationPatentsSpan
Sisters, OR, US22013–2014