Resource Type

Month

Auxiliary Roll Former for Linter Condensers. (open access)

Auxiliary Roll Former for Linter Condensers.

Patent for Auxiliary Roll Former for Linter Condensers.
Date: July 5, 1917
Creator: Prater, C.E.
System: The Portal to Texas History
Ointment-Applier (open access)

Ointment-Applier

Patent for an ointment applier for the insides of a person's body. Illustrations included.
Date: July 5, 1910
Creator: Kooken, Robert A.
System: The Portal to Texas History