Issued Patents All Time
Showing 26–41 of 41 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4991739 | Vending machine | — | 1991-02-12 |
| 4838406 | Coin diverting assembly | — | 1989-06-13 |
| 4834689 | Coin changer payout means | — | 1989-05-30 |
| 4763769 | Coin acceptance means and method | — | 1988-08-16 |
| 4637523 | Stamp scanning and dispensing means and method | — | 1987-01-20 |
| 4609792 | Encoding keyboard | — | 1986-09-02 |
| 4587984 | Coin tube monitor means | Ronald A. Hoorman | 1986-05-13 |
| 4526263 | Lock-ahead vend control employing a common vend energization monitor to effect vend selection recognition for vending | — | 1985-07-02 |
| 4480737 | Apparatus for recognizing, crushing separating, weighing and making payment for, used metal items, particularly aluminum cans | Herbert H. Jamgochian | 1984-11-06 |
| 4478353 | Vendor control system | — | 1984-10-23 |
| 4429778 | Conditioning time control for vending by selection | — | 1984-02-07 |
| 4359147 | Means to control vending functions | — | 1982-11-16 |
| 4316532 | Versatile pricing means | — | 1982-02-23 |
| 4284208 | Vend control system | — | 1981-08-18 |
| 4280181 | Cash accountability control circuit for vending and like machines | — | 1981-07-21 |
| 4254857 | Detection device | William A. Seiter, Calvin J. Christensen | 1981-03-10 |