Robert R. Sanchez

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San Antonio, TX, US

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Patents Grantslast 30 patents

Information Patent Grant
Acid bottle washing apparatus and method
- Patent number 5,851,308
- Issue date Dec 22, 1998
- Sony Corporation
- Steven Engelking
- B08 - CLEANING
Information Patent Grant
Acid bottle washing apparatus and method
- Patent number 5,720,307
- Issue date Feb 24, 1998
- Sony Corporation
- Steven Engelking
- B08 - CLEANING
Information Patent Grant
Apparatus and method for neutralizing a contaminated heating element
- Patent number 5,491,282
- Issue date Feb 13, 1996
- Sony Corporation
- Steven Engelking
- B08 - CLEANING
Information Patent Grant
Hand truck for handling cylinders of compressed gas and the like
- Patent number 5,489,183
- Issue date Feb 6, 1996
- Sony Corporation
- Lavern E. Malden
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS