% Expired Patents = 100.0

Forward Citations = 76

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2 inventors (with patents filed for the assignee):

Jeffrey Michael Alexander (4 out of 11 patents)

Erich T Griebling (2 out of 2 patents)

4 patents: Sort by Forward Citations

1. 8108177 - Hang timer for determining time of flight of an object (2012-01-31),

2. 7650257 - Enhanced hang-timer for console simulation (2010-01-19),

3. 7617069 - Hang-timer for providing recording instructions (2009-11-10),

4. 7379842 - Hang timer for determining time of flight of an object (2008-05-27),

Drop Zone Inc. is a leading provider of skydiving equipment, services, and training. With a focus on safety and innovation, we strive to bring the thrill of skydiving to enthusiasts of all levels. Whether you're a first-time jumper or an experienced skydiver, Drop Zone Inc. has everything you need to take your passion to new heights.

This text is generated by artificial intelligence and may not be accurate.

Company Badge

USPTO Data Jan 1 1976 - Sep 22 2026

4 Patents

#3 in North Bend, WA

#1,461 in Washington

#60,515 in US

North Bend, WA, United States of America

Drop Zone Inc.

Forward Citations = 76

2 inventors:

Jeffrey Michael Alexander (4 out of 11 patents)

Erich T Griebling (2 out of 2 patents)

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