| Patent No. | Patent Title: |
| 5007638 | Pitchback device for athletic practice |
| 4886269 | Table tennis practice aid |
| 4883272 | Ball catching frame with ball expelling machine connected thereto |
| 4877243 | Automatic ball pitcher |
| 4875677 | Lead arm strap for baseball hitters |
| 4872674 | Baseball pitching practice devices |
| 4872675 | Baseball pitching device |
| 4867448 | Baseball batting practice device |
| 4865319 | Tennis training device |
| 4858921 | Ball suspending apparatus and method |
| 4856779 | Ground anchor for home plate and pitcher's plate and method of ... |
| 4854588 | Table tennis ball serving device |
| 4854587 | Pop-up practice batting tee |
| 4850974 | Dispenser and method for an elongated flexible member |
| 4850590 | Table tennis net assembly |
| 4846472 | Baseball batting trainer |
| 4846471 | Method for use in the training and warming-up of baseball pitcher... |
| 4844458 | Table tennis ball serving device |
| 4844459 | Scrummage trainer |
| 4836541 | Lead arm development bat |
| 4836542 | Football kicking practice device |
| 4834376 | Baseball bat with impact indicator |
| 4834058 | Pellet-firing toy gatling gun |
| 4834377 | Tennis ball containment apparatus |
| 4832345 | Golf ball teeing apparatus |
| 4832031 | Passive heating pad |
| 4830369 | Baseball pitching practice target |
| 4830372 | Batting practice device |
| 4830371 | Ball hitting practice device |
| 4830368 | Energy absorbing, rotatable, realignable, stationary base |
| 4828262 | Ball hitting practice device |
| 4826166 | Football target assembly |
| 4826164 | Baseball pitching training apparatus |
| 4826165 | Batting chin shoulder harness |
| 4826163 | Billiard cue chalk holder |
| 4826496 | Modified accordion flange |
| 4822046 | Two and four position target assembly |
| 4819938 | Golf ball and tee placement and retrieval tool |
| 4819937 | Combined batting tee and strike indicator |
| 4817946 | Yieldable baseball base |
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