Inventor
Leo A. Meyer
Inventor
St. Paul, MN, US
Overview
Patents· 4 as inventor
Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.
C03Cprimary
C03CChemical composition of glasses, glazes or vitreous enamels27%
G03BApparatus or arrangements for taking photographs or for projecting or viewing them27%
Y10TTechnical subjects covered by former us classification27%
G02BOptical elements, systems or apparatus9%
G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein9%
PatentTitleYear
6,765,720'Glass microspheres for use in films and projection screen displays'2004RE038245'Glass microspheres for use in films and projection screen displays and methods'20036,590,711'Light directing construction having corrosion resistant feature'20036,204,971'Glass microspheres for use in films and projection screen displays and methods'2001Career & activity timeline
Assembled from patent assignee/location history and declaration credentials.
2001–2004Patents assigned to 3M INNOVATIVE PROPERTIES CO (4)· patent assignee history
2001–2004Based in St. Paul, MN, US· patent location history
Inventor activity
Assignee and location history derived from the patent record.
Assignees
| Assignee | Patents | Span |
|---|---|---|
| 3M INNOVATIVE PROPERTIES CO | 4 | 2001–2004 |
Locations
| Location | Patents | Span |
|---|---|---|
| St. Paul, Minnesota, US | 4 | 2001–2004 |