| SPINEFORCE MARESH ENGINEERING LLC
88345465 18 Mar 2019 | on 22 Mar 2022
| Swim Fin Class 028 Class 028 Toys and Sporting Goods Products Swim Fin | | | TRUEFIN MARESH ENGINEERING LLC
88704254 23 Nov 2019 | on 22 Mar 2022
| Underwater propulsion system for swimmers comprised of a swim fin and ... Class 028 Class 028 Toys and Sporting Goods Products Underwater propulsion system for swimmers comprised of a swim fin and a swim fin blade, which are configured to flex within a range of angles of attack during the swimmer's foot stroke | | | NOTHING KICKS LIKE A TRUEFIN MARESH ENGINEERING, LLC
98124335 09 Aug 2023 | on 16 Jul 2024 | Underwater propulsion system for swimmers comprised of a swim fin and ... Class 028 Class 028 Toys and Sporting Goods Products Underwater propulsion system for swimmers comprised of a swim fin and a swim blade, which are configured to flex within a range of angles of attack during the swimmer's foot stroke | | | FIN CYCLE MARESH ENGINEERING LLC
88559022 01 Aug 2019 | on 04 Apr 2022 | Watercraft propulsion apparatus, namely, an eccentric crank drive asse... Class 007 Class 007 Machinery Products Watercraft propulsion apparatus, namely, an eccentric crank drive assembly providing a propulsive force to propel a watercraft longitudinally forward | | | TRUEFIN MARESH ENGINEERING LLC
87204546 15 Oct 2016 | on 08 Jun 2020 | Underwater propulsion system for swimmers comprised of a swim fin and ... Class 028 Class 028 Toys and Sporting Goods Products Underwater propulsion system for swimmers comprised of a swim fin and a swim fin blade, which are configured to flex within a range of angles of attack during the swimmer's foot stroke | | | SEA SPRITE MARESH ENGINEERING LLC
87286521 31 Dec 2016 | on 30 Jul 2018 | Underwater propulsion system comprised of oscillating fins adapted for... Class 012 Class 012 Vehicles and Products for locomotion by land, air or water "SEA" | | | PECFIN MARESH ENGINEERING LLC
87286544 31 Dec 2016 | on 04 Jun 2018 | Underwater propulsion system comprised of oscillating fins adapted for... Class 012 Class 012 Vehicles and Products for locomotion by land, air or water Underwater propulsion system comprised of oscillating fins adapted for mounting on a scuba tank operatively connected to oscillate transversely to the longitudinal axis of the scuba tank, which fins are configured to flex within a range of angles of attack with each stroke of the drive members | | | DRAGONFLY MARESH ENGINEERING LLC
87430558 28 Apr 2017 | on 21 Feb 2018 | UNDERWATER PROPULSION DEVICE,UNDERWATER PROPULSION DEVICE Class 012 Class 012 Vehicles and Products for locomotion by land, air or water UNDERWATER PROPULSION DEVICE | | | TRUEFIN MARESH ENGINEERING LLC
86667688 18 Jun 2015 | on 03 Oct 2016 | underwater propulsion system comprised of a swim fin including a fin b... Class 012 Class 012 Vehicles and Products for locomotion by land, air or water TRUE FIN | | | PECFIN MARESH ENGINEERING LLC
86590269 07 Apr 2015 | on 03 Oct 2016 | oscillating fin propulsion system comprised of a pair of fins operably... Class 009 Class 009 Computer & Software Products & Electrical & Scientific Products oscillating fin propulsion system comprised of a pair of fins operably connected to drive handles actuatable by user applied force to sweep the fins in an oscillating motion below a water surface | | 
