Inventor

Claude Laesser

Inventor

La Chaux-de-Fonds, CH

Overview

19→

Patents

1977–1985

Patent span

Physics

Primary field (CPC G)

Patents· 19 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G04Cprimary

G04CElectromechanical clocks or watches26%

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein23%

G04GElectronic time-pieces17%

G04BMechanically-driven clocks or watches9%

H02KDynamo-electric machines6%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests6%

F16HGearing3%

G06FElectric digital data processing3%

G09FDisplaying3%

H01JElectric discharge tubes or discharge lamps3%

PatentTitleYear

4,534,660'Portable device including a visible mechanism'1985 4,423,928'Liquid crystal display device'1984 4,371,821'Electromagnetic motor rotatable in either direction'1983 4,367,049'Driving device especially for a timepiece'1983 4,361,790'Electromagnetic motor rotatable in either direction'1982 4,277,144'Electro-optic passive display cell'1981 4,257,113'Electromechanical calendar timepiece'1981 4,244,039'Electro-mechanical watch'1981 4,183,628'Electronic watch and display device for such watch'1980 4,154,120'Mechanism for driving, step-by-step, a rotatable member'1979 4,139,279'Electronic instrument'1979 4,139,272'Electro-optic passive display device'1979 4,118,111'Electro-optic passive display device and method for its manufacture'1978 4,118,110'Passive electro-optic display cell and method for manufacturing it'1978 4,109,457'Universal electronic timepiece'1978 4,110,744'Passive electro-optic display cell'1978 4,087,959'Driving mechanism of a member of timepiece moving intermittently'1978 4,044,242'Data selection and display arrangement for a small device'1977 4,040,248'Alarm electric watch'1977

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1977–1984Patents assigned to EBAUCHES SA (18)· patent assignee history

1977–1985Based in La Chaux-de-Fonds, CH· patent location history

1985Patents assigned to EBAUCHESFABRIK ETA AG (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
EBAUCHES SA	18	1977–1984
EBAUCHESFABRIK ETA AG	1	1985

Locations

Location	Patents	Span
La Chaux-de-Fonds, CH	19	1977–1985