DONALD FREDERICK COFFMAN

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COLORADO SPRINGS, CO, US

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Patents Grantslast 30 patents

Information Patent Grant
Height adjustable seat posts for bicycles
- Patent number 12,291,297
- Issue date May 6, 2025
- SRAM, LLC
- Rafer Chambers
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS

Patents Applicationslast 30 patents

Information Patent Application
HEIGHT ADJUSTABLE SEAT POSTS FOR BICYCLES
- Publication number 20250115323
- Publication date Apr 10, 2025
- SRAM, LLC
- RAFER CHAMBERS
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information Patent Application
HEIGHT ADJUSTABLE SEAT POSTS FOR BICYCLES
- Publication number 20240166286
- Publication date May 23, 2024
- SRAM, LLC
- RAFER CHAMBERS
- B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS