Number | Name | Date | Kind |
---|---|---|---|
1653180 | Jalbert | Dec 1927 | |
3053144 | Harries et al. | Sep 1962 | |
3973840 | Jacobs et al. | Aug 1976 | |
4978216 | Liljeren et al. | Dec 1990 | |
5193015 | Shanks | Mar 1993 | |
5194955 | Yoneta et al. | Mar 1993 | |
5221937 | Machtig | Jun 1993 | |
5278596 | Machtig | Jan 1994 | |
5317405 | Kuriki et al. | May 1994 | |
5407391 | Monroe et al. | Apr 1995 | |
5619254 | McNelley | Apr 1997 | |
5782698 | Keller | Jul 1998 |
Entry |
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3M "Optical Systems Light Control Film", date unknown. |
Eyesaver International, Inc. "Private Eye", date unknown. |