Heidemann; Gerrit
Patent Applications and Registrations
Patent applications and USPTO patent grants for Heidemann; Gerrit.The latest application filed is for "fiber reinforced sandwich tube".
- Heidemann; Gerrit - Oldenzaal NL
| Patent | Date |
|---|---|
| Fiber reinforced sandwich tube Grant 4,080,999 - Bulters , et al. March 28, 1 | 1978-03-28 |
| Connection for foam insulated pipes Grant 4,019,761 - Heidemann April 26, 1 | 1977-04-26 |
| Connections For Insulated Pipes Grant 3,711,124 - Gerholt , et al. January 16, 1 | 1973-01-16 |
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