Robert L. Langenberg

Person

San Jose, CA, US

People

Patents Grantslast 30 patents

Information Patent Grant
Method of reducing static-charge on easter grass
- Patent number 5,340,608
- Issue date Aug 23, 1994
- Highland Manufacturing and Supply
- Donald E. Weder
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Method of reducing static-charge on easter grass
- Patent number 5,238,707
- Issue date Aug 24, 1993
- Highland Manufacturing and Sales
- Donald E. Weder
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Apparatus for producing weighed charges of loosely aggregated filam...
- Patent number 5,038,975
- Issue date Aug 13, 1991
- Highland Manufacturing and Sales Company
- Donald E. Weder
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Apparatus and method for producing weighed charges of loosely aggre...
- Patent number 4,893,757
- Issue date Jan 16, 1990
- Highland Manufacturing and Sales Company
- Donald E. Weder
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Apparatus and method for producing weighed charges of loosely aggre...
- Patent number 4,776,521
- Issue date Oct 11, 1988
- Highland Manufacturing and Sales Company
- Donald E. Weder
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING
Information Patent Grant
Apparatus for producing weighed charges of loosely aggregated filam...
- Patent number 4,646,388
- Issue date Mar 3, 1987
- Highland Manufacturing and Sales Company
- Donald E. Weder
- D01 - NATURAL OR ARTIFICIAL THREADS OR FIBRES SPINNING

Robert L. Langenberg

Person

Patents Grantslast 30 patents

Method of reducing static-charge on easter grass

Method of reducing static-charge on easter grass

Apparatus for producing weighed charges of loosely aggregated filam...

Apparatus and method for producing weighed charges of loosely aggre...

Apparatus and method for producing weighed charges of loosely aggre...

Apparatus for producing weighed charges of loosely aggregated filam...