DR. MICHAEL DWAYNE HAMILTON, DPH
Pharmacy at Greens Rd, Houston, TX

6640656, Nov 4, 2003

Dec 30, 2002

10/331397

Michael G. Hamilton - Houston TX 77089
Sam M. Ditta - Alvin TX 77511

G01D 1304

738663

The invention is directed to indicator inserts for industrial diagnostic gauges and to industrial diagnostic gauges having at least one indicator insert that are utilized in industrial applications such as pressure and temperature gauges utilized in petrochemical plants. The indicator insert preferably includes at least one indicator insert marking having luminescent materials and reflective materials to facilitate accurate reading of the industrial diagnostic gauges in low and no light conditions from distances greater than 4 feet. Broadly, the industrial diagnostic gauges include a housing, a diagnostic member, a face, at least one hand operatively associated with the diagnostic member, a clear window, an indicator insert, and a retaining ring. The indicator insert includes a top surface that includes at least one indicator insert marking.

6415672, Jul 9, 2002

May 1, 2001

09/847027

Michael G. Hamilton - Houston TX 77089
Sam M. Ditta - Alvin TX 77511

G01D 1128

738663

The invention is directed to industrial diagnostic gauges that are utilized in industrial applications. Examples include pressure and temperature gauges utilized in petrochemical plants. The industrial diagnostic gauges include luminescent materials and reflective materials to facilitate accurate reading of the industrial diagnostic gauges in low and no light conditions from distances greater than 4 feet. Broadly, the industrial diagnostic gauges include a housing, a diagnostic member, a face, at least one hand operatively associated with the diagnostic member, a clear window and a retaining ring. The face may include at least one luminescent material and the at least one marking and the at least one hand each may include at least one reflective material. Additionally, the housing may include at least one marking having either at least one luminescent material or at least one reflective material. Methods of reading industrial diagnostic gauges and methods of manufacturing industrial diagnostic gauges are also disclosed.

6446518, Sep 10, 2002

Nov 9, 2000

09/711112

Michael G. Hamilton - Houston TX 77089
Sam M. Ditta - Alvin TX 77511

G01D 1128

738663, 362 23

The invention is directed to industrial diagnostic gauges that are utilized in industrial applications. Examples include pressure and temperature gauges utilized in petrochemical plants. The industrial diagnostic gauges include luminescent materials and reflective materials to facilitate accurate reading of the industrial diagnostic gauges in low and no light conditions from distances greater than 4 feet. Broadly, the industrial diagnostic gauges include a housing, a diagnostic member, a face having at least one marking, at least one hand operatively associated with the diagnostic member, a clear window and a retaining ring. The face preferably includes at least one luminescent material and the at least one marking and the at least one hand each include at least one reflective material. Methods of reading industrial diagnostic gauges and methods of manufacturing industrial diagnostic gauges are also disclosed.