Inventor

Richard A. Schumann

Inventor

Boyne City, MI, US

Overview

1986–1999

Patent span

General tagging of new technological developments

Primary field (CPC Y)

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

C04Bprimary

C04BLime, magnesia20%

LOC1220%

Y02WClimate change mitigation technologies related to wastewater treatment or waste management20%

Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

Y10TTechnical subjects covered by former us classification20%

PatentTitleYear

Assembled from patent assignee/location history and declaration credentials.

1986–1992Patents assigned to SCHUMANN RICHARD A (2)· patent assignee history

1986Based in Huntington, WV, US· patent location history

1992Patents assigned to BLAND ALAN E (1)· patent assignee history

1992Patents assigned to COX RICHARD K (1)· patent assignee history

1992Patents assigned to LICHTY E RAY (1)· patent assignee history

1992Based in Ponte Vedra Beach, FL, US· patent location history

1999Patents assigned to NAVISTAR INTERNATIONAL TRANSP CORP (1)· patent assignee history

1999Based in Boyne City, MI, US· patent location history

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
SCHUMANN RICHARD Aself	2	1986–1992
BLAND ALAN E	1	1992
COX RICHARD K	1	1992
LICHTY E RAY	1	1992
NAVISTAR INTERNATIONAL TRANSP CORP	1	1999

Locations