Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Afocal beam expansion apparatus and method

Afocal beam expansion apparatus and method

US Patent 4691999 · Granted Sep 8, 1987

Assignee

Inventors

View full patent text on Google Patents →

More Patents by These Inventors

Multi-function airborne sensor system2014
Wide field of view, four-telescope, radial scanning search and acquisition senso2006
Release binding and brake for telemark and cross-country skis2003
Release binding for telemark and cross-country skis2001
Split field wide angle viewing system for vehicles2000
Release binding for telemark and cross-country skis2000
Hand held drill press and method of use1999
Optical system with an articulated mirror unit1998
Ultra wide field of view scanning surveillance optical system1994
Contaminant removal from telescope optical elements1991
Compact continuous wave wavefront sensor1989