Inventor

Donald J. Alexander

Inventor
Milwaukee, WI, US

Overview

18→
Patents
1982–2005
Patent span
Human necessities
Primary field (CPC A)

Patents· 18 as inventor

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

A63Bprimary
A63BApparatus for physical training, gymnastics, swimming, climbing, or fencing33%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests22%
A61BDiagnosis11%
E01CConstruction of, or surfaces for, roads, sports grounds, or the like7%
A21DTreatment of flour or dough for baking, e.g. by addition of materials4%
A23LFoods, foodstuffs or non-alcoholic beverages, not otherwise provided for4%
A61HPhysical therapy apparatus, e.g. devices for locating or stimulating reflex points in the body4%
B30BPresses in general4%
F26BDrying solid materials or objects by removing liquid therefrom4%
LOC224%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1982–1994Patents assigned to ALEXANDER DONALD J (3)· patent assignee history
1982–1994Patents assigned to SINDELAR ROBERT A (3)· patent assignee history
1982–1994Based in Beaver Dam, WI, US· patent location history
1984Patents assigned to INT HARVESTER CO (1)· patent assignee history
1984Based in Plainfield, IL, US· patent location history
1992–1997Patents assigned to LIFE FITNESS (7)· patent assignee history
1992–2005Based in Milwaukee, WI, US· patent location history
1994–1996Based in Martin, ND, US· patent location history
1998–2005Patents assigned to BRUNSWICK CORP (4)· patent assignee history
2003Based in Alturas, CA, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
LIFE FITNESS71992–1997
BRUNSWICK CORP41998–2005
ALEXANDER DONALD Jself31982–1994
SINDELAR ROBERT A31982–1994
INT HARVESTER CO11984
Locations
LocationPatentsSpan
Milwaukee, WI, US111992–2005
Beaver Dam, WI, US31982–1994
Martin, ND, US21994–1996
Alturas, California, US12003
Plainfield, Illinois, US11984