Inventor
Leonard E. Koffski
Inventor
Vancouver, British Columbia, CA
Overview
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
| Assignee | Patents | Span |
|---|---|---|
| KOFFSKI LEONARD Eself | 4 | 1980–1988 |
| 761250 ALBERTA LTD | 1 | 2016 |
| FIRST CHOICE DISTRIBUTORS INC | 1 | 1991 |
| TALBOT IND LTD | 1 | 1980 |
Locations
| Location | Patents | Span |
|---|---|---|
| Vancouver, British Columbia, CA | 4 | 1980–1988 |
| Duncan, CA | 3 | 1980–2016 |