Lawrence D Wieringa

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Riverside, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Portable toilet advertisement display system
- Patent number 7,159,346
- Issue date Jan 9, 2007
- Lawrence Wieringa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Method for attachment of advertisements to a road barrier
- Patent number 6,996,888
- Issue date Feb 14, 2006
- Lawrence D. Wieringa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Portable outdoor toilet with advertising indicia
- Patent number 6,920,650
- Issue date Jul 26, 2005
- Max Resultz
- Lawrence D. Wieringa
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...
Information Patent Grant
Display assembly for attachment of advertisements to a road barrier
- Patent number 6,718,672
- Issue date Apr 13, 2004
- Lawrence D. Wieringa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS
Information Patent Grant
Portable outdoor toilet with advertising indicia
- Patent number 6,349,426
- Issue date Feb 26, 2002
- Lawrence D. Wieringa
- A47 - FURNITURE DOMESTIC ARTICLES OR APPLIANCES COFFEE MILLS SPICE MILLS SUCT...

Patents Applicationslast 30 patents

Information Patent Application
Portable outdoor toilet with advertising indicia
- Publication number 20040139539
- Publication date Jul 22, 2004
- Lawrence D Wieringa
- G09 - EDUCATION CRYPTOGRAPHY DISPLAY ADVERTISING SEALS