LexDanaLexDanabeta
Inventor

Elizabeth C. Leonard

Inventor
Cambridge, MA, US

Overview

2→
Patents
1989–1991
Patent span
Chemistry
Primary field (CPC C)

Patents· 2 as inventor

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

B26Bprimary
B26BHand-held cutting tools not otherwise provided for33%
C08JWorking-up33%
C09KMaterials for miscellaneous applications, not provided for elsewhere33%
PatentTitleYear
4,984,365'Safety razor'19914,855,018'Process for etching polytetrafluoroethylene'1989

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1989Patents assigned to MASSACHUSETTS INST TECHNOLOGY (1)· patent assignee history
1989–1991Based in Cambridge, MA, US· patent location history
1991Patents assigned to GILLETTE CO (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GILLETTE CO11991
MASSACHUSETTS INST TECHNOLOGY11989
Locations
LocationPatentsSpan
Cambridge, Massachusetts, US21989–1991