Robert Steven Witkoff

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Sedona, AZ, US

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Patents Grantslast 30 patents

Information Patent Grant
Multipurpose low emission submersible engine and aquatic craft usin...
- Patent number 11,198,039
- Issue date Dec 14, 2021
- Robert Steven Witkoff
- F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
Information Patent Grant
Multipurpose low emission submersible engine and aquatic craft usin...
- Patent number 10,603,549
- Issue date Mar 31, 2020
- Robert Steven Witkoff
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Grant
Sun visor for safety helmet
- Patent number 6,687,909
- Issue date Feb 10, 2004
- Robert Steven Witkoff Design Innovations, Inc.
- Robert Steven Witkoff
- A42 - HEADWEAR

Patents Applicationslast 30 patents

Information Patent Application
MULTIPURPOSE LOW EMISSION SUBMERSIBLE ENGINE AND AQUATIC CRAFT USIN...
- Publication number 20200179763
- Publication date Jun 11, 2020
- Robert Steven Witkoff
- H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information Patent Application
MULTIPURPOSE LOW EMISSION SUBMERSIBLE ENGINE AND AQUATIC CRAFT USIN...
- Publication number 20180318650
- Publication date Nov 8, 2018
- Robert Steven Witkoff
- A63 - SPORTS GAMES AMUSEMENTS
Information Patent Application
SUN VISOR FOR SAFETY HELMET
- Publication number 20040010832
- Publication date Jan 22, 2004
- Robert Steven Witkoff
- A42 - HEADWEAR