Sunwa Sharyo Manufacturing Co., Ltd.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Sunwa Sharyo Manufacturing Co., Ltd..The latest application filed is for "stair-climbing crawler transporter".
- Sunwa Sharyo Manufacturing Co., Ltd. - Tokyo JP
- Sunwa Sharyo Manufacturing Co., Ltd. - JP JP
- Sunwa Sharyo Manufacturing Company Limited - Tokyo JP
| Patent | Date |
|---|---|
| Stair-climbing crawler transporter Grant 5,676,215 - Misawa October 14, 1 | 1997-10-14 |
| Stair-climbing wheelchair carrier Grant 5,197,558 - Misawa March 30, 1 | 1993-03-30 |
| Stair-climbing wheelchair carrier with crawlers Grant 4,898,256 - Lehner February 6, 1 | 1990-02-06 |
| Stair-climbing wheelchair carrier Grant 4,771,839 - Misawa September 20, 1 | 1988-09-20 |
| Carrier for rescuing patients Grant 4,688,813 - Misawa , et al. August 25, 1 | 1987-08-25 |
| Hand truck Grant 4,681,330 - Misawa July 21, 1 | 1987-07-21 |
| Carrier for rescuing patients Grant 4,585,241 - Misawa , et al. April 29, 1 | 1986-04-29 |
| Stair-climbing wheelchair carrier Grant 4,566,550 - Misawa January 28, 1 | 1986-01-28 |
| Stair climbing wheelchair carrier Grant 4,432,426 - Misawa February 21, 1 | 1984-02-21 |
| Apparatus for supporting loads in a cart Grant 4,062,418 - Misawa December 13, 1 | 1977-12-13 |
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