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Building Construction.

Description: Patent for new and improved building constructions which will help the economy, steadiness, benefit, and rapidity of erection.
Date: April 26, 1921
Creator: Eldridge, Leonard L.
Partner: UNT Libraries Government Documents Department

Means For Protecting Vaults.

Description: Patent for protecting bank vaults by using metal shells (that are adapted to receive frangible gas containers containing asphyxiating or other disabling gas) as inner linings inside and next to the brick wall of the vault. The metal shells containing the gas containers will break upon contact when a person or persons are trying to breach the outer (brick wall) to gain access to the bank vault.
Date: April 5, 1921
Creator: Bumpass, Leonard E.
Partner: UNT Libraries Government Documents Department
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