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Inventor

Malcolm G. Townsley

Inventor
Park Ridge, IL, US

Overview

3→
Patents
1976–1991
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
G02CSpectacles100%
PatentTitleYear
5,020,898'Contact lens for correction of astigmatism'19914,549,794'Hydrophilic bifocal contact lens'19853,937,566'Process for producing contact lenses'1976

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976Patents assigned to JESSEN INC WESLEY (1)· patent assignee history
1976–1991Based in Park Ridge, IL, US· patent location history
1985–1991Patents assigned to SCHERING CORP (2)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
SCHERING CORP21985–1991
JESSEN INC WESLEY11976
Locations
LocationPatentsSpan
Park Ridge, Illinois, US31976–1991