Mark Chalmers

This inventor holds 2 USPTO granted patents and 1 published patent application and 2 EPO patents. Top assignee: Coopervision International Limited. Active years: 2026.

USPTO Granted Patents = 2 (Patent Applications = 1)

% Patents Active = 100.0

EPO Patents = 2

Average Co-Inventor Count = 4.4

ph-index = 1

Company Filing History:

2 out of 94

Coopervision International Limited

patents

Years Active: 2026

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2 patents (USPTO):Sort by Forward CitationsExplore Patents

1. 12736835 - Electrically switchable liquid crystal cell, contact lens and method relating thereto (2026-09-15),

2. 12678910 - Mandrel for use in the machining of ophthalmic lenses (2026-07-14),

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1 patent pending:

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2 patents pending (CIPO):

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2 patents (EPO):

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