John J. Erickson

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Kingston, NY, US

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic contact lens cleaning device
- Patent number 5,178,173
- Issue date Jan 12, 1993
- Pace; Robert J.
- John J. Erickson
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Ultrasonic transducer drive circuit
- Patent number 4,642,581
- Issue date Feb 10, 1987
- Sono-Tek Corporation
- John J. Erickson
- B06 - GENERATING OR TRANSMITTING MECHANICAL VIBRATIONS IN GENERAL
Information Patent Grant
Article positioner with zero position sensing means
- Patent number 4,021,711
- Issue date May 3, 1977
- International Business Machines Corporation
- John Joseph Erickson
- G05 - CONTROLLING REGULATING