Patents for sale or license
To learn more, please scroll down to see all technologies and click on an icon or link:
Multi-Mode Weapon
- Fires Non-Lethal and Lethal rounds.
- Optionally records which ammunition type was fired, and in what sequence.
- Instantly switches from Non-lethal to Lethal.
The Perfect Police Gun!
US Patent: 9,921,018
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Safe-Texting
Track or Disable Driver Texting
- Not voluntary
- Passengers can text
- No phone mods, No vehicle mods, No hardware infrastructure mods
Visit Safetexting.org
License or Sale
6 US Patents and
2 British Patents
View all patents here.
Implemented by wireless carriers with government cooperation to reduce accidents, injuries, and deaths.
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Speed-Sensitive Secure Entrance
Protect our Soft Targets!
License or Sale
Visit Barbecan.com
6 US Patents and
1 British Patent
View all patents here.
Subways, Hotels, Concerts, Malls, Theatres, Stadiums, Baggage Claim & Ticket Counters, Embassies, Office Buildings, Schools...
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Earthquake Phone
Rescue people trapped in rubble after Earthquakes, Tsunamis, Typhoons, Hurricanes, Building failures, Avalanche...
Locate, communicate, and determine physical condition to speed and focus rescue
US Patent No 10,070,249
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Trip Tracker with Emergency Detection and Reporting
License or Sale
Tracks progress of a trip. If the traveler doesn't reach a destination (i.e. return home) by a certain time, a third party is notified. Avoids a prolonged period of time where pets and/or children are unattended, especially in the event of a catastrophic accident.
The third party may optionally be notified if an arrival time is predicted to be delayed, as well as when an actual arrival occurs.
US Pat No 9,386,141
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Search Results Annotation
License or Sale
Annotations added to search engine results to show:
missing search terms on linked Webpages;
missing search terms on descendant Webpages;
"must include" search term filtering; and
related advertising.
8 US Patents
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Airplane-Friendly Touchpad Technology
For Sale
Issued US Patents:
8,502,790
9,244,498
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e-Marketing Recommendations based on Weighted Negative Preferences
SOLD
Issued US Patents:
9,122,760
8,429,160
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Electronic Mirror
For Sale
Issued US Patents:
8,451,364
7,978,246
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SOLD! - Portfolios that have been sold are shown below:
Silaero Logo design: Copyright 2003 David A. Hall
Browser Zoom and Multi-Window Search
License or Sale
US Patents:
8,838,736
8,015,259
View IP Description
Prototype Demo Video
Browser Zoom and Multi-Window Search
License or Sale
US Patents:
8,838,736
8,015,259
View IP Description
Prototype Demo Video
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