Ladd Research Industries, Inc.

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Burlington, VT, US

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Patents Grantslast 30 patents

Information Patent Grant
Differential fiber optic proximity sensor
- Patent number 4,358,960
- Issue date Nov 16, 1982
- Ladd Research Industries, Inc.
- John H. Porter
- A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information Patent Grant
Mixer for products contained in sealed envelopes
- Patent number 4,049,242
- Issue date Sep 20, 1977
- Ladd Research Industries, Inc.
- John H. Porter
- B01 - PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL

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