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Patent applications and USPTO patent grants for Weisglass; Louis L..The latest application filed is for "light color regulating apparatus".
Patent | Date |
---|---|
Light color regulating apparatus Grant 3,883,243 - Weisglass , et al. May 13, 1 | 1975-05-13 |
Color enlarger and illuminating system therefor Grant 3,880,520 - Weisglass April 29, 1 | 1975-04-29 |
Light Color Control Apparatus Grant 3,754,824 - Weisglass , et al. August 28, 1 | 1973-08-28 |
Light Source For Color Enlargers Grant 3,754,823 - Weisglass , et al. August 28, 1 | 1973-08-28 |
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