|
|
|
|
|
|
|
Research Home
Tools Art & Architecture Thesaurus Source Record
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Source ID: 2000075447
|
Brief Citation: Doran, Construction Block (1986)
|
Full Citation: Doran, William E. "Construction Block." U.S. Patent number 4577447. Washington DC: United States Patent and Trademark Office, 1986.
|
|
|
|
|
|
|