Inventor
Kenneth G. Gatzke
Inventor
Lake Elmo, MN, US
Overview
Patents· 6 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes57%
C11DDetergent compositions14%
F01DNon-positive displacement machines or engines, e.g. steam turbines14%
F02BInternal-combustion piston engines14%
PatentTitleYear
6,830,630'Method of cleaning an internal combustion engine'20046,541,435'Engine cleaner composition'20034,515,885'Diazo vesicular imaging films with nitrate salt'19854,394,433'Diazonium imaging system'19834,370,401'Light sensitive, thermally developable imaging system'19834,210,717'Half soap formation for photothermographic emulsions'1980Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1980–1985Patents assigned to MINNESOTA MINING & MFG (4)· patent assignee history
1980–2004Based in Lake Elmo, MN, US· patent location history
2003–2004Patents assigned to 3M INNOVATIVE PROPERTIES CO (2)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 4 | 1980–1985 |
| 3M INNOVATIVE PROPERTIES CO | 2 | 2003–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| Lake Elmo, Minnesota, US | 6 | 1980–2004 |