Leslie D. Rikker

Person

Oak Forest, IL, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for treating gaseous material from evaporative...
- Patent number 5,062,470
- Issue date Nov 5, 1991
- Leslie D. Rikker
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Molding medium, method for making same and evaporative pattern cast...
- Patent number 5,012,857
- Issue date May 7, 1991
- Leslie D. Rikker
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for evaporative pattern casting
- Patent number 4,947,923
- Issue date Aug 14, 1990
- Leslie D. Rikker
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Molding medium, method for making same and evaporative pattern cast...
- Patent number 4,651,798
- Issue date Mar 24, 1987
- Leslie D. Rikker
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Mixer apparatus
- Patent number 4,368,984
- Issue date Jan 18, 1983
- National Engineering Company
- Leslie D. Rikker
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for making molds
- Patent number 4,190,369
- Issue date Feb 26, 1980
- National Engineering Company
- Leslie D. Rikker
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Impact scrubber
- Patent number 4,177,952
- Issue date Dec 11, 1979
- National Engineering Company
- Leslie D. Rikker
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and apparatus for making molds
- Patent number 4,121,646
- Issue date Oct 24, 1978
- National Engineering Company
- Leslie D. Rikker
- B22 - CASTING POWDER METALLURGY

Leslie D. Rikker

Person

Patents Grantslast 30 patents

Method and apparatus for treating gaseous material from evaporative...

Molding medium, method for making same and evaporative pattern cast...

Method and apparatus for evaporative pattern casting

Molding medium, method for making same and evaporative pattern cast...

Mixer apparatus

Method and apparatus for making molds

Impact scrubber

Method and apparatus for making molds