Resource Type

Cigar-Box Clip. (open access)

Cigar-Box Clip.

Patent for an inexpensive improvement to cigar box clips or clamps, that will make it easier for the box to be left open at a tilted angle, for the purpose of displaying the cigars or other objects inside.
Date: November 21, 1911
Creator: Holder, Andrew Thomas.
System: The Portal to Texas History
Method of Making Electrotype Embossing-Dies (open access)

Method of Making Electrotype Embossing-Dies

Patent for a new method of embossing woven materials (such as lace) onto paper using electrotyping.
Date: September 21, 1915
Creator: Evins, Dossa D.
System: The Portal to Texas History
Alarm for Incubators (open access)

Alarm for Incubators

Patent for an alarm that sounds upon the temperature in an incubator either increasing or decreasing.
Date: November 21, 1916
Creator: Poore, John F.
System: The Portal to Texas History