Lefkowitz; Leonard R.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Lefkowitz; Leonard R..The latest application filed is for "insect trap with encapsulation system".
- Lefkowitz; Leonard R. - Schenectady NY
- Lefkowitz; Leonard R. - Latham NY
Trademarks
| Patent | Date |
|---|---|
| Insect Trap With Encapsulation System App 20130312313 - Lefkowitz; Leonard R. ; et al. | 2013-11-28 |
| Anti-rewet transfer belt App 20080176690 - Lefkowitz; Leonard R. | 2008-07-24 |
| Sliding contact control switch pad Grant 5,367,199 - Lefkowitz , et al. November 22, 1 | 1994-11-22 |
| Jointing of fabric ends Grant 5,169,570 - Sayers , et al. December 8, 1 | 1992-12-08 |
| Forming fabric having a nonwoven surface coating Grant 5,077,116 - Lefkowitz December 31, 1 | 1991-12-31 |
| Nonwoven fabric and method of manufacture Grant 4,740,409 - Lefkowitz April 26, 1 | 1988-04-26 |
| Control interface Grant 4,524,348 - Lefkowitz June 18, 1 | 1985-06-18 |
| Separator Grant 4,473,384 - Lefkowitz September 25, 1 | 1984-09-25 |
| Stitch knitted filters for high temperature fluids and method of making them Grant 4,181,514 - Lefkowitz , et al. January 1, 1 | 1980-01-01 |
| High temperature filter fabrics Grant 4,113,535 - Lefkowitz , et al. September 12, 1 | 1978-09-12 |
| High temperature filter fabrics Grant 4,070,519 - Lefkowitz , et al. January 24, 1 | 1978-01-24 |
| Papermakers Fabrics Grant 3,858,623 - Lefkowitz January 7, 1 | 1975-01-07 |
| Papermakers Fabrics Grant 3,653,961 - Lefkowitz April 4, 1 | 1972-04-04 |
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