(a) A manufacturer to whom the Director, USPTO, has issued an alphanumeric designation may apply for recordal of its trademark for fasteners if the trademark is the subject of a duly filed application or is registered in the United States Patent and Trademark Office on the Principal Register. Upon recordal, either the alphanumeric designation or the trademark, or both, may be used as recorded insignias.

(b) A manufacturer for whom the Director, USPTO, has recorded a trademark as its fastener insignia may apply for issuance and recordal of an alphanumeric designation as a fastener insignia. Upon recordal, either the alphanumeric designation or the trademark, or both, may be used as recorded insignias.