P

Inventor

SCHWARZSCHILD JACK

US8 patents
⚠️ This page may combine multiple inventors who share the name “SCHWARZSCHILD JACK”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.

TIMEX CORP

4 patents
US4021898AMay 10, 1977

Method of adjusting the frequency of vibration of piezoelectric resonators

TIMEX CORP58 citations94
US4289383ASep 15, 1981

Lighted dot matrix display

TIMEX CORP32 citations91
US4233679ANov 11, 1980

Adjustable piezoelectric transducer for a watch

TIMEX CORP10 citations72
US4055945ANov 1, 1977

Frequency adjustment means for an electronic timepiece

TIMEX CORP11 citations71

HOFFREL INSTR INC

1 patent
US4977898ADec 18, 1990

Miniaturized encapsulated ultrasonic transducer

HOFFREL INSTR INC90 citations91

TIMEX MEDICAL PROD

1 patent
US4411535AOct 25, 1983

Probe for clinical electronic thermometer

TIMEX MEDICAL PROD49 citations91

TIMEX MECIAL PRODUCTS CORP

1 patent
US4475610AOct 9, 1984

Levered scale with strain gauge tension link

TIMEX MECIAL PRODUCTS CORP26 citations77

TIMES CORP

1 patent
US4219809AAug 26, 1980

Compensation scheme for electrochromic displays

TIMES CORP8 citations65