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Portable Screen-House.
Patent for a portable screened house that is made in sections that are easily packed and shipped to be assembled on location.
Date:
April 9, 1907
Creator:
Wingren, Harry
System:
The Portal to Texas History
Trolley-Wire Holder
Patent for a trolley wire holder that prevents the trolley wheel from coming off the overhead conductor line and automatically releases the trolley wheel from the conductor line when the trolley car arm is pulled down from the conductor line.
Date:
April 9, 1907
Creator:
La Bauve, Valcoure J.
System:
The Portal to Texas History