Resource Type
Counties
Decade
Month
Day
4 Matching Results
Results open in a new window/tab.
Results:
1 - 4 of
4
Building Block Machine
Patent for a building block machine. This invention is used to form blocks out of plastic material into artificial stone, as well as molding concrete blocks. Illustrations included.
Date:
November 20, 1906
Creator:
Latimer, Samuel A.; Dunkin, James J.; Stacey, J. H.; Hall, A. L.; Porter, R. S.; Haynes, S. F. et al.
System:
The Portal to Texas History
Nut Lock.
Patent for a keyed lock for nut and bolt that is removable and does not damage the threads.
Date:
December 20, 1892
Creator:
Crisp, James E.
System:
The Portal to Texas History
Quilting Attachment for Sewing-Machines
Patent for a quilting attachment for sewing frames so that they can be easily folded up and stored, with durable and easy to use parts that are also inexpensive to make.
Date:
December 20, 1892
Creator:
Dickey, John S.
System:
The Portal to Texas History
Detachable Fastener for Cylindrical Screens.
Patent for a more efficient and effective seeding device that can disconnect, reconnect, and fasten the ends of a strip of material to form a cylinder.
Date:
July 20, 1920
Creator:
Leach, William Logan
System:
The Portal to Texas History