Frank Grassi

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Grosse Point Woods, MI, US

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Patents Grantslast 30 patents

Information Patent Grant
Machine for continuous casting of pre-mortared masonry panels
- Patent number 9,011,126
- Issue date Apr 21, 2015
- Frank Grassi
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information Patent Grant
Power towers/innovative method of power extraction using static air...
- Patent number 7,771,158
- Issue date Aug 10, 2010
- Frank Grassi
- F03 - MACHINES OR ENGINES FOR LIQUIDS WIND, SPRING WEIGHT AND MISCELLANEOUS M...
Information Patent Grant
Portable mixing/delivery apparatus for pre-blended granular mixtures
- Patent number 6,666,573
- Issue date Dec 23, 2003
- Frank Grassi
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Dual stage continuous mixing apparatus
- Patent number 6,123,445
- Issue date Sep 26, 2000
- Frank Grassi
- B28 - WORKING CEMENT, CLAY, OR STONE

Patents Applicationslast 30 patents

Information Patent Application
MACHINE FOR CONTINUOUS CASTING OF PRE-MORTARED MASONRY PANELS
- Publication number 20140023741
- Publication date Jan 23, 2014
- Frank Grassi
- E04 - BUILDING
Information Patent Application
Power Towers/Innovative Method of Power Extraction Using Static Air...
- Publication number 20080211234
- Publication date Sep 4, 2008
- Frank Grassi
- F05 - INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF...
Information Patent Application
Portable mixing/delivery apparatus for pre-blended granular mixtures
- Publication number 20030076737
- Publication date Apr 24, 2003
- Frank Grassi
- B28 - WORKING CEMENT, CLAY, OR STONE