Inventor

John G. Freshwater

Inventor

Bakersfield, CA, US

Overview

1985–2013

Patent span

Chemistry

Primary field (CPC C)

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

E04Dprimary

E04DRoof coverings23%

Y10TTechnical subjects covered by former us classification18%

B26DCutting9%

B26FPerforating9%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests9%

C01PIndexing scheme relating to structural and physical aspects of solid inorganic compounds5%

C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients5%

C08LCompositions of macromolecular compounds5%

C09CTreatment of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties5%

C09DCoating compositions, e.g. paints, varnishes or lacquers5%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1985Patents assigned to ELK CORP (1)· patent assignee history

1985Based in Ennis, TX, US· patent location history

2001–2002Patents assigned to ELK CORP DALLAS (2)· patent assignee history

2001–2013Based in Bakersfield, CA, US· patent location history

2003–2013Patents assigned to ELK PREMIUM BUILDING PROD INC (3)· patent assignee history

2012–2013Patents assigned to FRESHWATER JOHN G (2)· patent assignee history

2012Patents assigned to BUILDING MATERIALS INVEST CORP (1)· patent assignee history

2012Based in Frisco, TX, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
ELK PREMIUM BUILDING PROD INC	3	2003–2013
ELK CORP DALLAS	2	2001–2002
FRESHWATER JOHN Gself	2	2012–2013
BUILDING MATERIALS INVEST CORP	1	2012
ELK CORP	1	1985

Locations