David R. Lankard

Person

Columbus, OH, US

People

Patents Grantslast 30 patents

Information Patent Grant
Integrally-anchored fiber-reinforced concrete overlays and surfacin...
- Patent number 4,668,548
- Issue date May 26, 1987
- Ribbon Technology Court
- David R. Lankard
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Burglary attack resistant money safe high fiber concrete reinforced...
- Patent number 4,593,627
- Issue date Jun 10, 1986
- Diebold, Incorporated
- David R. Lankard
- E05 - LOCKS KEYS WINDOW OR DOOR FITTINGS SAFES
Information Patent Grant
Burglary resistant steel fiber reinforced concrete construction for...
- Patent number 4,559,881
- Issue date Dec 24, 1985
- Diebold, Incorporated
- David R. Lankard
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Highly wear-resistant steel fiber reinforced concrete tiles
- Patent number 4,513,040
- Issue date Apr 23, 1985
- Ribbon Technology, Inc.
- David R. Lankard
- B28 - WORKING CEMENT, CLAY, OR STONE
Information Patent Grant
Highly reinforced refractory concrete with 4-20 volume % steel fibers
- Patent number 4,366,255
- Issue date Dec 28, 1982
- Wahl Refractory Products, Company
- David R. Lankard
- C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
Information Patent Grant
Concrete overlay construction
- Patent number 4,339,289
- Issue date Jul 13, 1982
- Battelle Development Corporation
- David R. Lankard
- E01 - CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
Information Patent Grant
Plaster molding composition
- Patent number 4,148,660
- Issue date Apr 10, 1979
- PMCMA Research Group
- David R. Lankard
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Plaster molding composition
- Patent number 4,081,283
- Issue date Mar 28, 1978
- PMCMA Research Group
- David R. Lankard
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Flexural strength in fiber-containing concrete
- Patent number 3,986,885
- Issue date Oct 19, 1976
- Battelle Development Corporation
- David R. Lankard
- B28 - WORKING CEMENT, CLAY, OR STONE

David R. Lankard

Person

Patents Grantslast 30 patents

Integrally-anchored fiber-reinforced concrete overlays and surfacin...

Burglary attack resistant money safe high fiber concrete reinforced...

Burglary resistant steel fiber reinforced concrete construction for...

Highly wear-resistant steel fiber reinforced concrete tiles

Highly reinforced refractory concrete with 4-20 volume % steel fibers

Concrete overlay construction

Plaster molding composition

Plaster molding composition

Flexural strength in fiber-containing concrete