Inventor

Leonard E. Koffski

Inventor
Vancouver, British Columbia, CA

Overview

7→
Patents
1980–2016
Patent span
Performing operations
Primary field (CPC B)

Patents· 7 as inventor

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

E04Gprimary
E04GScaffolding40%
B25HWorkshop equipment, e.g. for marking-out work20%
B66FHoisting, lifting, hauling or pushing, not otherwise provided for, e.g. devices which apply a lifting or pushing force directly to the surface of a load20%
B27BSaws for wood or similar material10%
E06CLadders10%

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

1980–1988Patents assigned to KOFFSKI LEONARD E (4)· patent assignee history
1980Patents assigned to TALBOT IND LTD (1)· patent assignee history
1980–1988Based in Vancouver, British Columbia, CA· patent location history
1980–2016Based in Duncan, CA· patent location history
1991Patents assigned to FIRST CHOICE DISTRIBUTORS INC (1)· patent assignee history
2016Patents assigned to 761250 ALBERTA LTD (1)· patent assignee history

Inventor activity

Assignee and location history derived from the patent record.

Assignees
AssigneePatentsSpan
KOFFSKI LEONARD Eself41980–1988
761250 ALBERTA LTD12016
FIRST CHOICE DISTRIBUTORS INC11991
TALBOT IND LTD11980
Locations
LocationPatentsSpan
Vancouver, British Columbia, CA41980–1988
Duncan, CA31980–2016