Frank J. Grgach

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Danbury, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Ultrasonic welding and cutting apparatus
- Patent number 3,939,033
- Issue date Feb 17, 1976
- Branson Ultrasonics Corporation
- Frank J. Grgach
- B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL