Inventor

DAVID S. HAMMOND

Inventor
US

Overview

3→
Patents
2025
Patent span
Physics
Primary field (CPC G)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Cprimary
G02CSpectacles50%
B29CShaping or joining of plastics17%
B29DProducing particular articles from plastics or from substances in a plastic state17%
G02BOptical elements, systems or apparatus17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2025Patents assigned to COOPERVISION INT LTD (3)· patent assignee history
2025Based in US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
COOPERVISION INT LTD32025
Locations
LocationPatentsSpan
US32025