Inventor

Kenneth M. Feld

Inventor
Chalfont, PA, US

Overview

3→
Patents
1988–2005
Patent span
Human necessities
Primary field (CPC A)

Patents· 3 as inventor

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

A61Kprimary
A61KPreparations for medical, dental or toiletry purposes33%
A61PSpecific therapeutic activity of chemical compounds or medicinal preparations17%
B01LChemical or physical laboratory apparatus for general use17%
G01NInvestigating or analysing materials by determining their chemical or physical properties17%
Y10TTechnical subjects covered by former us classification17%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988Patents assigned to RORER PHARMACEUTICAL CORP (1)· patent assignee history
1988–2005Based in Chalfont, PA, US· patent location history
1992Patents assigned to RHONE POULENC RORER PHARMA (1)· patent assignee history
2005Patents assigned to AVENTIS PHARMA INC (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
AVENTIS PHARMA INC12005
RHONE POULENC RORER PHARMA11992
RORER PHARMACEUTICAL CORP11988
Locations
LocationPatentsSpan
Chalfont, Pennsylvania, US31988–2005