Eckel; Alan
Patent Applications and Registrations
Patent applications and USPTO patent grants for Eckel; Alan.The latest application filed is for "automatic door closure for double-acting doors".
- Eckel; Alan - Westford MA
| Patent | Date |
|---|---|
| Automatic door closure for double-acting doors Grant 6,990,772 - Eckel , et al. January 31, 2 | 2006-01-31 |
| Automatic door closure for double-acting doors App 20040244293 - Eckel, Alan ; et al. | 2004-12-09 |
| Acoustic absorption device and an assembly of such devices Grant 5,780,785 - Eckel July 14, 1 | 1998-07-14 |
| Infant audiometric chamber Grant D378,316 - Eckel March 4, 1 | 1997-03-04 |
| Panel assemblies Grant 5,260,525 - Morse November 9, 1 | 1993-11-09 |
| Audiometric booth Grant 5,210,984 - Eckel May 18, 1 | 1993-05-18 |
| Automatic closure mechanism for double-acting doors Grant 4,951,351 - Eckel August 28, 1 | 1990-08-28 |
| Door cam hardware with door post mounted cam Grant 4,945,606 - Eckel August 7, 1 | 1990-08-07 |
| Door mount and door nose Grant 4,570,384 - Eckel February 18, 1 | 1986-02-18 |
| Wall panel assembly Grant 4,038,796 - Eckel August 2, 1 | 1977-08-02 |
| Receptacle with sliding cover Grant 3,961,723 - Eckel June 8, 1 | 1976-06-08 |
| Acoustical Testing Apparatus Grant 3,876,035 - Eckel April 8, 1 | 1975-04-08 |
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