SACHS/FREEMAN ASSOCIATES, INC.

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LANDOVER, MD, US

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Patents Grantslast 30 patents

Information Patent Grant
Method and apparatus for increasing the unambiguous sensing range i...
- Patent number 4,874,244
- Issue date Oct 17, 1989
- Sachs/Freeman Associates, Inc.
- Alan D. Kersey
- G01 - MEASURING TESTING
Information Patent Grant
Method of aligning a polarization-preserving optical fiber with a s...
- Patent number 4,673,244
- Issue date Jun 16, 1987
- Sachs/Freeman Associates, Inc.
- Ronald O. Miles
- G02 - OPTICS
Information Patent Grant
Method and apparatus for acousto-optically shifting the frequency o...
- Patent number 4,666,255
- Issue date May 19, 1987
- Sachs/Freeman Associates, Inc.
- Henry F. Taylor
- G02 - OPTICS

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Trademarklast 30 trademarks

Information Trademark
73582632 - SPACE FLIGHT ACADEMY
- Serial number 73582632
- Filing date Feb 13, 1986
- SACHS/FREEMAN ASSOCIATES, INC.
- 35 - Advertising
Information Trademark
73582633 - SPACE FLIGHT ACADEMY
- Serial number 73582633
- Filing date Feb 13, 1986
- SACHS/FREEMAN ASSOCIATES, INC.
- 41 - Education
Information Trademark
73580396 - SPACE FLIGHT ACADEMY
- Serial number 73580396
- Filing date Jan 31, 1986
- SACHS/FREEMAN ASSOCIATES, INC.
- 9 - Scientific, nautical, surveying, photographic, cinematographic, optical, weighing, measuring, signalling, checking (supervision), life-saving and teaching apparatus and instruments