Patents by Inventor Osvaldo B. Vieira

Osvaldo B. Vieira has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

Microprocessor controlled road map

Patent number: D354743

Type: Grant

Filed: April 2, 1993

Date of Patent: January 24, 1995

Inventor: Osvaldo B. Vieira

Microprocessor controlled road map