Ainsworth, Leonard Hastings
Patent Applications and Registrations
Patent applications and USPTO patent grants for Ainsworth, Leonard Hastings.The latest application filed is for "gaming machine".
- Ainsworth, Leonard Hastings - Chiswick AU
- Ainsworth; Leonard Hastings - Roseberry AU
- Ainsworth; Leonard Hastings - Rosebery AU
| Patent | Date |
|---|---|
| Gaming machine App 20030069064 - Ainsworth, Leonard Hastings | 2003-04-10 |
| Gaming machine Grant 6,544,120 - Ainsworth April 8, 2 | 2003-04-08 |
| Gaming machine App 20020086726 - Ainsworth, Leonard Hastings | 2002-07-04 |
| Gaming machine App 20020077171 - Ainsworth, Leonard Hastings | 2002-06-20 |
| Gaming machine App 20020047238 - Ainsworth, Leonard Hastings ; et al. | 2002-04-25 |
| Gaming machine App 20020019254 - Ainsworth, Leonard Hastings | 2002-02-14 |
| Gaming machine App 20020014740 - Ainsworth, Leonard Hastings | 2002-02-07 |
| Automatic coin dispenser Grant 4,276,894 - Heywood July 7, 1 | 1981-07-07 |
| Reel spinning means Grant 4,262,906 - Heywood April 21, 1 | 1981-04-21 |
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