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Inventor

Robert M. MacRobbie

Inventor
Fort Worth, TX, US

Overview

4→
Patents
1978–1980
Patent span
Fixed constructions
Primary field (CPC E)

Patents· 4 as inventor

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

E04Bprimary
E04BGeneral building constructions50%
B66CCranes25%
E04GScaffolding25%
PatentTitleYear
4,204,711'Coupling for lift system for concrete slabs'19804,197,783'Aligner tie'19804,158,940'Joist hanger'19794,124,962'Joist hanger'1978

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1978Patents assigned to BROWN CO (1)· patent assignee history
1978–1980Based in Fort Worth, TX, US· patent location history
1979–1980Patents assigned to BROWN (3)· patent assignee history
1980Based in Keller, TX, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
BROWN31979–1980
BROWN CO11978
Locations
LocationPatentsSpan
Fort Worth, Texas, US31978–1980
Keller, Texas, US11980