Crawford; Burdette B.
Patent Applications and Registrations
Patent applications and USPTO patent grants for Crawford; Burdette B..The latest application filed is for "unloader mechanism for a handtruck".
- Crawford; Burdette B. - Chadbourn NC
| Patent | Date |
|---|---|
| Unloader Mechanism For A Handtruck Grant 3,844,431 - Crawford October 29, 1 | 1974-10-29 |
| Hand Truck With Means For Shifting Center Of Gravity And Having Auxiliary Roller Support Grant 3,711,111 - Crawford January 16, 1 | 1973-01-16 |
| Handtruck With Means For Shifting Center Of Gravity Of Load Grant 3,642,301 - Crawford February 15, 1 | 1972-02-15 |
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