Inventor

Earl P. Williams

Inventor
Pen Argyl, PA, US

Overview

17→
Patents
1976–1985
Patent span
Chemistry
Primary field (CPC C)

Patents· 17 as inventor

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

C08Fprimary
C08FMacromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds29%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests14%
A01NPreservation of bodies of humans or animals or plants or parts thereof9%
C02FTreatment of water, waste water, sewage, or sludge9%
C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients9%
C08JWorking-up6%
G03FPhotomechanical production of textured or patterned surfaces, e.g. for printing, for processing of semiconductor devices6%
Y10TTechnical subjects covered by former us classification6%
C08GMacromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds3%
C08LCompositions of macromolecular compounds3%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1976–1985Patents assigned to GAF CORP (17)· patent assignee history
1976–1985Based in Pen Argyl, PA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
GAF CORP171976–1985
Locations
LocationPatentsSpan
Pen Argyl, Pennsylvania, US171976–1985