Draft Equalizer. (open access)

Draft Equalizer.

Patent for improvement to draft-equalizers.
Date: April 17, 1900
Creator: Billington, Wesley E.
Object Type: Patent
System: The Portal to Texas History
Dental Dam-Holder. (open access)

Dental Dam-Holder.

Patent for improvement in dental dam-holders.
Date: April 17, 1900
Creator: Myers, Samuel M.
Object Type: Patent
System: The Portal to Texas History