Inventor

David L. Holbrook

Inventor
Palatine, IL, US

Overview

3→
Patents
1988–2008
Patent span
Performing operations
Primary field (CPC B)

Patents· 3 as inventor

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

B01Dprimary
B01DSeparation40%
B60SServicing, cleaning, repairing, supporting, lifting, or manoeuvring of vehicles, not otherwise provided for20%
H02KDynamo-electric machines20%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests20%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1988–1989Patents assigned to UOP INC (2)· patent assignee history
1988–1989Based in Palatine, IL, US· patent location history
2008Patents assigned to TRICO PRODUCTS CORP (1)· patent assignee history
2008Based in Lake Orion, MI, US· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
UOP INC21988–1989
TRICO PRODUCTS CORP12008
Locations
LocationPatentsSpan
Palatine, Illinois, US21988–1989
Lake Orion, MI, US12008