Inventor
John M. Winslow
Inventor
South St. Paul, MN, US
Overview
Patents· 13 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
G03Cprimary
G03CPhotosensitive materials for photographic purposes56%
Y10STechnical subjects covered by former uspc cross-reference art collections [xracs] and digests17%
B41MPrinting, duplicating, marking, or copying processes11%
C09BOrganic dyes or closely-related compounds for producing dyes, e.g. pigments6%
F24FAir-conditioning6%
G05DSystems for controlling or regulating non-electric variables6%
PatentTitleYear
5,891,615'Chemical sensitization of photothermographic silver halide emulsions'19995,441,866'Sensitizers for photothermographic elements'19955,209,400'Portable calculator for refrigeration heating and air conditioning equipment service'19935,028,518'Radiographic thermographic imaging film'19914,977,070'Transparentizable antihalation layers'19904,515,885'Diazo vesicular imaging films with nitrate salt'19854,373,020'Decolorizable imaging system'19834,370,401'Light sensitive, thermally developable imaging system'19834,336,323'Decolorizable imaging system'19824,260,677'Thermographic and photothermographic materials having silver salt complexes therein'19814,168,171'Light-sensitive thermal developable diazotype sheets with imidazoles'19794,161,408'Method for the preparation of a photothermographic system'19794,123,282'Photothermographic toners'1978Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
1978–1995Patents assigned to MINNESOTA MINING & MFG (11)· patent assignee history
1978–1985Based in South Saint Paul, MN, US· patent location history
1979–1999Based in South St. Paul, MN, US· patent location history
1981–1991Based in St. Paul, MN, US· patent location history
1993Patents assigned to WINSLOW HENRY D (1)· patent assignee history
1993Patents assigned to WINSLOW JOHN M (1)· patent assignee history
1993Based in Livonia, MI, US· patent location history
1999Patents assigned to IMATION CORP (1)· patent assignee history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| MINNESOTA MINING & MFG | 11 | 1978–1995 |
| IMATION CORP | 1 | 1999 |
| WINSLOW HENRY D | 1 | 1993 |
| WINSLOW JOHN Mself | 1 | 1993 |
Locations
| Location | Patents | Span |
|---|---|---|
| South St. Paul, Minnesota, US | 5 | 1979–1999 |
| South Saint Paul, Minnesota, US | 5 | 1978–1985 |
| St. Paul, Minnesota, US | 2 | 1981–1991 |
| Livonia, MI, US | 1 | 1993 |