Inventor

VON LANGSDORFF FRITZ

DE10 patents

⚠️ This page may combine multiple inventors who share the name “VON LANGSDORFF FRITZ”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

LANGSDORFF BAU

2 patents

US4016692AApr 12, 1977

Composite paving structures and laying units therefor

LANGSDORFF BAU85 citations92

US4583341AApr 22, 1986

Interlocking ground covering elements and arrangements of them for mechanical laying

LANGSDORFF BAU45 citations90

BARTH GUNTER

2 patents

US4185939AJan 29, 1980

Ground covering slab

BARTH GUNTER48 citations91

US4194853AMar 25, 1980

Method and apparatus for producing a ground covering from individual paving stones

BARTH GUNTER10 citations67

LANGSDORFF F LICENSING LTD VON

1 patent

US5342142AAug 30, 1994

Angular paving stone for paving areas

LANGSDORFF F LICENSING LTD VON97 citations93

BARTH KG DR

1 patent

US4168130ASep 18, 1979

Apparatus for placing paving elements

BARTH KG DR127 citations93

F VON LANGSDORFF LICENSING LTD

1 patent

USD399978SOct 20, 1998

Paving element

F VON LANGSDORFF LICENSING LTD53 citations92

(unassigned)

1 patent

US5713173AFeb 3, 1998

Hexagonal mosaic paving pattern

54 citations92

BARTH GUENTER

1 patent

US4128357ADec 5, 1978

Slab-elements for covering the ground

BARTH GUENTER69 citations92

VON LANGSDORFF HARALD

1 patent

USD391647SMar 3, 1998

Paving

VON LANGSDORFF HARALD6 citations68