Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9238174 | Method and apparatus for virtual location-based services | Steven Samuel Hoffman | 2016-01-19 |
| 9240014 | Method and apparatus for promotion of users in rules-based virtual worlds | Steven Samuel Hoffman | 2016-01-19 |
| 9137273 | Method and apparatus for distributing virtual goods over the internet | Steven Samuel Hoffman | 2015-09-15 |
| 9028324 | Method and apparatus for promoting desired on-line activities using on-line games | Steven Samuel Hoffman | 2015-05-12 |
| 8788961 | Method and apparatus for motivating interactions between users in virtual worlds | Steven Samuel Hoffman | 2014-07-22 |
| 8739037 | Method and apparatus for promoting on-line activities using rules-based virtual worlds | Steven Samuel Hoffman | 2014-05-27 |
| 8510413 | Method and apparatus for promoting desired on-line activities using on-line games | Steven Samuel Hoffman | 2013-08-13 |
| 8490007 | Method and apparatus for motivating interactions between users in virtual worlds | Steven Samuel Hoffman | 2013-07-16 |
| 8443039 | Method and apparatus for distributing virtual goods over the internet | Steven Samuel Hoffman | 2013-05-14 |
| 8239487 | Method and apparatus for promoting desired on-line activities using on-line games | Steven Samuel Hoffman | 2012-08-07 |
| 8190733 | Method and apparatus for virtual location-based services | Steven Samuel Hoffman | 2012-05-29 |
| 8108459 | Method and apparatus for distributing virtual goods over the internet | Steven Samuel Hoffman | 2012-01-31 |
| 5648455 | Antibiotic WAP-8294A, method for preparing the same and antibacterial composition | Yoshitami Ohashi, Haruhisa Hirata, Seigo Nakaya, Azusa Katou, Yuji Aiba +2 more | 1997-07-15 |
| 5240177 | Container with device preventing dew condensation | Toru Muramatsu, Kazuyuki Ouchi, Fuminobu Kondoh | 1993-08-31 |