Roberto Olvera-Camacho

Follow

Person

Delegacion Miguel Hidalgo, MX

People

Patents Grantslast 30 patents

Information Patent Grant
Formulations of positive films
- Patent number 6,432,617
- Issue date Aug 13, 2002
- Roberto Olvera-Camacho
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Method for obtaining a tabulation to display a range of colors whic...
- Patent number 6,217,337
- Issue date Apr 17, 2001
- Roberto Olvera-Camacho
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS
Information Patent Grant
Formulations of positive films in order to obtain the selection of...
- Patent number 6,168,902
- Issue date Jan 2, 2001
- Roberto Olvera-Camacho
- B41 - PRINTING LINING MACHINES TYPEWRITERS STAMPS