| Patent No. | Patent Title: |
| 5049078 | Picture book with play effect |
| 5022653 | Electronic poker game |
| 5018738 | Spherical dice with interchangeable orientation insert members |
| 4989872 | Game of entertainment |
| 4982799 | Tractor equipped with working implements |
| 4977902 | Supersonic hyperthermia treating method |
| 4978125 | Portable, hand agitated random selector device |
| 4969459 | Infrared heating system for surgical patients |
| 4969647 | Invertible hand-held electronic game apparatus |
| 4964802 | Free creative amusement apparatus |
| 4961725 | Device for controlling the flow of a fluid and a prosthetic organ... |
| 4957444 | Training horse simulator |
| 4952400 | Powder and microcapsule fragrance enhanced sampler |
| 4951951 | Turf fixing putter |
| 4948134 | Electronic poker game |
| 4948372 | Tennis instructional aid and method |
| 4948131 | Vibration dampening racket |
| 4944681 | Plush toy with ear system for displaying normal and abnormal eard... |
| 4940412 | Method of manufacturing anatomical models |
| 4934939 | Method of teaching bed-making |
| 4934938 | Football training dummy |
| 4931019 | Electrostatic image display apparatus |
| 4927748 | Luminescent writing or display device |
| 4920033 | Rotatable disk teaching apparatus |
| 4919424 | Golf putter |
| 4919618 | Game board with player figures for teaching team sports |
| 4915388 | Golf training apparatus |
| 4913147 | Heart pacemaker system with shape-memory metal components |
| 4909513 | Automatic playing machine using dice |
| 4907972 | Baby walking straps |
| 4907973 | Expert system simulator for modeling realistic internal environme... |
| 4902015 | Golf putter |
| 4902232 | Dental training model with artificial teeth set |
| 4900038 | Arrowed projectile structure |
| 4893821 | Scoring system for game apparatus |
| 4894013 | Anthropomorphic cardiac ultrasound phantom |
| 4883277 | Educational board game for teaching mathematics and logic |
| 4883749 | Children's toilet training device with differentiating means |
| 4881899 | Sunshine simulator for small scale models |
| 4880385 | Fully automatic speed-reading trainer |
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