Texas Attorney General Opinion: DM-29 (open access)

Texas Attorney General Opinion: DM-29

Document issued by the Office of the Attorney General of Texas in Austin, Texas, providing an interpretation of Texas law. It provides the opinion of the Texas Attorney General, Dan Morales, regarding a legal question submitted for clarification: Whether the Dallas County Hospital District may use hospital district funds to become a dues-paying member of a private, nonprofit corporation or to reimburse district officials for expenses of individual membership (RQ-50)
Date: June 28, 1991
Creator: Texas. Attorney-General's Office.
Object Type: Text
System: The Portal to Texas History
Refrigerator-Door. (open access)

Refrigerator-Door.

Patent for individual doors for compartments within a refrigerator, to protect items from being exposed to warm air when the refrigerator door is ajar. This patent also provides for the ability to apply doors as attachments to refrigerators without pre-installed compartment doors.
Date: June 28, 1921
Creator: Jurek, Martin
Object Type: Patent
System: The Portal to Texas History
Lock and Key. (open access)

Lock and Key.

Patent for a lock which requires a key that is adjustable and difficult to duplicate in order to prevent lock picking.
Date: June 28, 1921
Creator: Dove, Bascom A.
Object Type: Patent
System: The Portal to Texas History
Vegetable-Grading Apparatus. (open access)

Vegetable-Grading Apparatus.

Patent for a vegetable grading apparatus that delivers select grades of vegetables to the picker, separating the majority of vegetables into containers. The apparatus prevents bruising of vegetables and allows the picker to see all sides of the vegetables.
Date: June 28, 1921
Creator: Rigney, Samuel C.
Object Type: Patent
System: The Portal to Texas History
Process and Apparatus for the Utilization of Heat in Oil-Engines. (open access)

Process and Apparatus for the Utilization of Heat in Oil-Engines.

Patent for an invention that improves the utilization of waste or surplus heat of internal combustion engines, specifically oil-burning engines of the Diesel type. This invention will assist diesel engines to run satisfactorily on lower or heavier-grade engine oils. This assists in the efficiency and production of Diesel engines.
Date: June 28, 1921
Creator: Lucke, Herbert R.
Object Type: Patent
System: The Portal to Texas History
Valve Gear (open access)

Valve Gear

Patent for a valve gear. Illustration included.
Date: June 28, 1904
Creator: McCain, Sidney Lea
Object Type: Patent
System: The Portal to Texas History
Grate-Bar. (open access)

Grate-Bar.

Patent for a grate bar for furnaces, which allows for proper air distribution in the furnace.
Date: June 28, 1910
Creator: Wilderspin, Anderson
Object Type: Patent
System: The Portal to Texas History