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EP 3 924 683 A1

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(43) Date of publication: 22.12.2021 Bulletin 2021/51 (21) Application number: 20755165.6 (22) Date of filing: 04.02.2020

(51) International Patent Classification (IPC):  F41G 3/02(2006.01) G01S 19/47(2010.01) G01C 17/00(2006.01) G01S 19/13(2010.01) F41G 1/38(2006.01) (52) Cooperative Patent Classification (CPC): G01S 5/0027; F41G 3/165; F41G 1/38; F41G 3/02; F41G 9/00; F41G 3/06; G01S 5/0054; G01S 19/53; G01S 19/49; F41G 3/04 (86) International application number: PCT/US2020/016619 (87) International publication number: WO 2020/167530 (20.08.2020 Gazette 2020/34)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 11.02.2019 US 201916272733 (71) Applicants: Fougnies, Douglas Scottsdale, AZ 85255 (US) Pressman, Robert A. Conshohocken, PA 19428 (US) Day, Larry L. Scottsdale, AZ 85255 (US)

(72) Inventors: CARPENTER, Taylor, J. Philadelphia, PA 19129 (US) HOWELL, Mark, J. Tucson, AZ 85083 (US) FOUGNIES, Douglas Scottsdale, AZ 85255 (US) PRESSMAN, Robert, A. Conshohocken, PA 19428 (US) DAY, Larry, L. Scottsdale, AZ 85255 (US) (74) Representative: de Jong, Jean Jacques et al Omnipat 24, place des Martyrs de la Résistance 13100 Aix en Provence 13100 Aix en Provence (FR)