% Expired Patents = 33.3

Forward Citations = 13

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2 inventors (with patents filed for the assignee):

Myron D Tupper (3 out of 9 patents)

Bill Gallentine (2 out of 6 patents)

3 patents: Sort by Forward Citations

1. 6957603 - Modulated overpressure valve structure for fluid operated device (2005-10-25),

2. 6341621 - Valve structure for a fluid operated device (2002-01-29),

3. 6035634 - Compact, resistance regulated, multiple output hydraulic tool and seal (2000-03-14),

Company Badge

USPTO Data Jan 1 1976 - Oct 13 2026

3 Patents

#104 in Colorado Springs, CO

#1,778 in Colorado

#73,860 in US

Colorado Springs, CO, United States of America

Latch-Tool Development Co. LLC

Forward Citations = 13

2 inventors:

Myron D Tupper (3 out of 9 patents)

Bill Gallentine (2 out of 6 patents)

IDiyas Innovation Intelligence. (2026). Company Patent Portfolio: Latch-Tool Development Co. LLC. Retrieved from https://idiyas.com/company/latch-tool-developmentcompany

Data source: USPTO (United States Patent and Trademark Office) public patent records. Weekly synchronization. How IDiyas builds this profile

Data Sources: USPTO Patent Grant XML, Patent Center, EPO & CIPO • Normalized by IDiyas Innovation Graph. Methodology & provenance architecturePlease report any incorrect information to [email protected]