Inventor

WALDER PIERRE-ALAIN

CH4 patents

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

RADO MONTRES SA

2 patents

US5233574AAug 3, 1993

Wristwatch case including a back cover rising along the caseband

RADO MONTRES SA13 citations69

US5105510AApr 21, 1992

Telescopically extensible bracelet clasp

RADO MONTRES SA1 citations38

ROLEX MONTRES

1 patent

US5881026AMar 9, 1999

Self-compensating balance spring for a mechanical oscillator of a balance-spring/balance assembly of a watch movement and process for manufacturing this balance-spring

ROLEX MONTRES51 citations88

EBAUCHESFABRIK ETA AG

1 patent

US5021101AJun 4, 1991

Method of manufacture of a copper watch case

EBAUCHESFABRIK ETA AG5 citations60